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authorAnton Khirnov <anton@khirnov.net>2011-07-26 17:51:34 +0200
committerAnton Khirnov <anton@khirnov.net>2011-08-09 19:56:21 +0200
commit266463daff7bbd4c3a8a26ff11b1131df0fd5520 (patch)
treeb7f190b7a5fe4fae5e392372f599624c5450cfee /ffplay.c
parent7351eb14151602fa924ab3d5e374b7d60f32aff9 (diff)
Rename ffplay to avplay.
Diffstat (limited to 'ffplay.c')
-rw-r--r--ffplay.c3071
1 files changed, 0 insertions, 3071 deletions
diff --git a/ffplay.c b/ffplay.c
deleted file mode 100644
index bef75fe574..0000000000
--- a/ffplay.c
+++ /dev/null
@@ -1,3071 +0,0 @@
-/*
- * ffplay : Simple Media Player based on the Libav libraries
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#include <inttypes.h>
-#include <math.h>
-#include <limits.h>
-#include "libavutil/avstring.h"
-#include "libavutil/colorspace.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/dict.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/samplefmt.h"
-#include "libavformat/avformat.h"
-#include "libavdevice/avdevice.h"
-#include "libswscale/swscale.h"
-#include "libavcodec/audioconvert.h"
-#include "libavutil/opt.h"
-#include "libavcodec/avfft.h"
-
-#if CONFIG_AVFILTER
-# include "libavfilter/avfilter.h"
-# include "libavfilter/avfiltergraph.h"
-#endif
-
-#include "cmdutils.h"
-
-#include <SDL.h>
-#include <SDL_thread.h>
-
-#ifdef __MINGW32__
-#undef main /* We don't want SDL to override our main() */
-#endif
-
-#include <unistd.h>
-#include <assert.h>
-
-const char program_name[] = "ffplay";
-const int program_birth_year = 2003;
-
-#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
-#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
-#define MIN_FRAMES 5
-
-/* SDL audio buffer size, in samples. Should be small to have precise
- A/V sync as SDL does not have hardware buffer fullness info. */
-#define SDL_AUDIO_BUFFER_SIZE 1024
-
-/* no AV sync correction is done if below the AV sync threshold */
-#define AV_SYNC_THRESHOLD 0.01
-/* no AV correction is done if too big error */
-#define AV_NOSYNC_THRESHOLD 10.0
-
-#define FRAME_SKIP_FACTOR 0.05
-
-/* maximum audio speed change to get correct sync */
-#define SAMPLE_CORRECTION_PERCENT_MAX 10
-
-/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
-#define AUDIO_DIFF_AVG_NB 20
-
-/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
-#define SAMPLE_ARRAY_SIZE (2*65536)
-
-static int sws_flags = SWS_BICUBIC;
-
-typedef struct PacketQueue {
- AVPacketList *first_pkt, *last_pkt;
- int nb_packets;
- int size;
- int abort_request;
- SDL_mutex *mutex;
- SDL_cond *cond;
-} PacketQueue;
-
-#define VIDEO_PICTURE_QUEUE_SIZE 2
-#define SUBPICTURE_QUEUE_SIZE 4
-
-typedef struct VideoPicture {
- double pts; ///<presentation time stamp for this picture
- double target_clock; ///<av_gettime() time at which this should be displayed ideally
- int64_t pos; ///<byte position in file
- SDL_Overlay *bmp;
- int width, height; /* source height & width */
- int allocated;
- enum PixelFormat pix_fmt;
-
-#if CONFIG_AVFILTER
- AVFilterBufferRef *picref;
-#endif
-} VideoPicture;
-
-typedef struct SubPicture {
- double pts; /* presentation time stamp for this picture */
- AVSubtitle sub;
-} SubPicture;
-
-enum {
- AV_SYNC_AUDIO_MASTER, /* default choice */
- AV_SYNC_VIDEO_MASTER,
- AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
-};
-
-typedef struct VideoState {
- SDL_Thread *parse_tid;
- SDL_Thread *video_tid;
- SDL_Thread *refresh_tid;
- AVInputFormat *iformat;
- int no_background;
- int abort_request;
- int paused;
- int last_paused;
- int seek_req;
- int seek_flags;
- int64_t seek_pos;
- int64_t seek_rel;
- int read_pause_return;
- AVFormatContext *ic;
- int dtg_active_format;
-
- int audio_stream;
-
- int av_sync_type;
- double external_clock; /* external clock base */
- int64_t external_clock_time;
-
- double audio_clock;
- double audio_diff_cum; /* used for AV difference average computation */
- double audio_diff_avg_coef;
- double audio_diff_threshold;
- int audio_diff_avg_count;
- AVStream *audio_st;
- PacketQueue audioq;
- int audio_hw_buf_size;
- /* samples output by the codec. we reserve more space for avsync
- compensation */
- DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
- DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
- uint8_t *audio_buf;
- unsigned int audio_buf_size; /* in bytes */
- int audio_buf_index; /* in bytes */
- AVPacket audio_pkt_temp;
- AVPacket audio_pkt;
- enum AVSampleFormat audio_src_fmt;
- AVAudioConvert *reformat_ctx;
-
- int show_audio; /* if true, display audio samples */
- int16_t sample_array[SAMPLE_ARRAY_SIZE];
- int sample_array_index;
- int last_i_start;
- RDFTContext *rdft;
- int rdft_bits;
- FFTSample *rdft_data;
- int xpos;
-
- SDL_Thread *subtitle_tid;
- int subtitle_stream;
- int subtitle_stream_changed;
- AVStream *subtitle_st;
- PacketQueue subtitleq;
- SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
- int subpq_size, subpq_rindex, subpq_windex;
- SDL_mutex *subpq_mutex;
- SDL_cond *subpq_cond;
-
- double frame_timer;
- double frame_last_pts;
- double frame_last_delay;
- double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
- int video_stream;
- AVStream *video_st;
- PacketQueue videoq;
- double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
- double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
- int64_t video_current_pos; ///<current displayed file pos
- VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
- int pictq_size, pictq_rindex, pictq_windex;
- SDL_mutex *pictq_mutex;
- SDL_cond *pictq_cond;
-#if !CONFIG_AVFILTER
- struct SwsContext *img_convert_ctx;
-#endif
-
- // QETimer *video_timer;
- char filename[1024];
- int width, height, xleft, ytop;
-
- PtsCorrectionContext pts_ctx;
-
-#if CONFIG_AVFILTER
- AVFilterContext *out_video_filter; ///<the last filter in the video chain
-#endif
-
- float skip_frames;
- float skip_frames_index;
- int refresh;
-} VideoState;
-
-static void show_help(void);
-
-/* options specified by the user */
-static AVInputFormat *file_iformat;
-static const char *input_filename;
-static const char *window_title;
-static int fs_screen_width;
-static int fs_screen_height;
-static int screen_width = 0;
-static int screen_height = 0;
-static int audio_disable;
-static int video_disable;
-static int wanted_stream[AVMEDIA_TYPE_NB]={
- [AVMEDIA_TYPE_AUDIO]=-1,
- [AVMEDIA_TYPE_VIDEO]=-1,
- [AVMEDIA_TYPE_SUBTITLE]=-1,
-};
-static int seek_by_bytes=-1;
-static int display_disable;
-static int show_status = 1;
-static int av_sync_type = AV_SYNC_AUDIO_MASTER;
-static int64_t start_time = AV_NOPTS_VALUE;
-static int64_t duration = AV_NOPTS_VALUE;
-static int debug = 0;
-static int debug_mv = 0;
-static int step = 0;
-static int thread_count = 1;
-static int workaround_bugs = 1;
-static int fast = 0;
-static int genpts = 0;
-static int lowres = 0;
-static int idct = FF_IDCT_AUTO;
-static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
-static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
-static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
-static int error_recognition = FF_ER_CAREFUL;
-static int error_concealment = 3;
-static int decoder_reorder_pts= -1;
-static int autoexit;
-static int exit_on_keydown;
-static int exit_on_mousedown;
-static int loop=1;
-static int framedrop=1;
-
-static int rdftspeed=20;
-#if CONFIG_AVFILTER
-static char *vfilters = NULL;
-#endif
-
-/* current context */
-static int is_full_screen;
-static VideoState *cur_stream;
-static int64_t audio_callback_time;
-
-static AVPacket flush_pkt;
-
-#define FF_ALLOC_EVENT (SDL_USEREVENT)
-#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
-#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
-
-static SDL_Surface *screen;
-
-static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
-
-/* packet queue handling */
-static void packet_queue_init(PacketQueue *q)
-{
- memset(q, 0, sizeof(PacketQueue));
- q->mutex = SDL_CreateMutex();
- q->cond = SDL_CreateCond();
- packet_queue_put(q, &flush_pkt);
-}
-
-static void packet_queue_flush(PacketQueue *q)
-{
- AVPacketList *pkt, *pkt1;
-
- SDL_LockMutex(q->mutex);
- for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
- pkt1 = pkt->next;
- av_free_packet(&pkt->pkt);
- av_freep(&pkt);
- }
- q->last_pkt = NULL;
- q->first_pkt = NULL;
- q->nb_packets = 0;
- q->size = 0;
- SDL_UnlockMutex(q->mutex);
-}
-
-static void packet_queue_end(PacketQueue *q)
-{
- packet_queue_flush(q);
- SDL_DestroyMutex(q->mutex);
- SDL_DestroyCond(q->cond);
-}
-
-static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
-{
- AVPacketList *pkt1;
-
- /* duplicate the packet */
- if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
- return -1;
-
- pkt1 = av_malloc(sizeof(AVPacketList));
- if (!pkt1)
- return -1;
- pkt1->pkt = *pkt;
- pkt1->next = NULL;
-
-
- SDL_LockMutex(q->mutex);
-
- if (!q->last_pkt)
-
- q->first_pkt = pkt1;
- else
- q->last_pkt->next = pkt1;
- q->last_pkt = pkt1;
- q->nb_packets++;
- q->size += pkt1->pkt.size + sizeof(*pkt1);
- /* XXX: should duplicate packet data in DV case */
- SDL_CondSignal(q->cond);
-
- SDL_UnlockMutex(q->mutex);
- return 0;
-}
-
-static void packet_queue_abort(PacketQueue *q)
-{
- SDL_LockMutex(q->mutex);
-
- q->abort_request = 1;
-
- SDL_CondSignal(q->cond);
-
- SDL_UnlockMutex(q->mutex);
-}
-
-/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
-static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
-{
- AVPacketList *pkt1;
- int ret;
-
- SDL_LockMutex(q->mutex);
-
- for(;;) {
- if (q->abort_request) {
- ret = -1;
- break;
- }
-
- pkt1 = q->first_pkt;
- if (pkt1) {
- q->first_pkt = pkt1->next;
- if (!q->first_pkt)
- q->last_pkt = NULL;
- q->nb_packets--;
- q->size -= pkt1->pkt.size + sizeof(*pkt1);
- *pkt = pkt1->pkt;
- av_free(pkt1);
- ret = 1;
- break;
- } else if (!block) {
- ret = 0;
- break;
- } else {
- SDL_CondWait(q->cond, q->mutex);
- }
- }
- SDL_UnlockMutex(q->mutex);
- return ret;
-}
-
-static inline void fill_rectangle(SDL_Surface *screen,
- int x, int y, int w, int h, int color)
-{
- SDL_Rect rect;
- rect.x = x;
- rect.y = y;
- rect.w = w;
- rect.h = h;
- SDL_FillRect(screen, &rect, color);
-}
-
-#define ALPHA_BLEND(a, oldp, newp, s)\
-((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
-
-#define RGBA_IN(r, g, b, a, s)\
-{\
- unsigned int v = ((const uint32_t *)(s))[0];\
- a = (v >> 24) & 0xff;\
- r = (v >> 16) & 0xff;\
- g = (v >> 8) & 0xff;\
- b = v & 0xff;\
-}
-
-#define YUVA_IN(y, u, v, a, s, pal)\
-{\
- unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
- a = (val >> 24) & 0xff;\
- y = (val >> 16) & 0xff;\
- u = (val >> 8) & 0xff;\
- v = val & 0xff;\
-}
-
-#define YUVA_OUT(d, y, u, v, a)\
-{\
- ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
-}
-
-
-#define BPP 1
-
-static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
-{
- int wrap, wrap3, width2, skip2;
- int y, u, v, a, u1, v1, a1, w, h;
- uint8_t *lum, *cb, *cr;
- const uint8_t *p;
- const uint32_t *pal;
- int dstx, dsty, dstw, dsth;
-
- dstw = av_clip(rect->w, 0, imgw);
- dsth = av_clip(rect->h, 0, imgh);
- dstx = av_clip(rect->x, 0, imgw - dstw);
- dsty = av_clip(rect->y, 0, imgh - dsth);
- lum = dst->data[0] + dsty * dst->linesize[0];
- cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
- cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
-
- width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
- skip2 = dstx >> 1;
- wrap = dst->linesize[0];
- wrap3 = rect->pict.linesize[0];
- p = rect->pict.data[0];
- pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
-
- if (dsty & 1) {
- lum += dstx;
- cb += skip2;
- cr += skip2;
-
- if (dstx & 1) {
- YUVA_IN(y, u, v, a, p, pal);
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
- cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
- cb++;
- cr++;
- lum++;
- p += BPP;
- }
- for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
- YUVA_IN(y, u, v, a, p, pal);
- u1 = u;
- v1 = v;
- a1 = a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
-
- YUVA_IN(y, u, v, a, p + BPP, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
- cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
- cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
- cb++;
- cr++;
- p += 2 * BPP;
- lum += 2;
- }
- if (w) {
- YUVA_IN(y, u, v, a, p, pal);
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
- cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
- p++;
- lum++;
- }
- p += wrap3 - dstw * BPP;
- lum += wrap - dstw - dstx;
- cb += dst->linesize[1] - width2 - skip2;
- cr += dst->linesize[2] - width2 - skip2;
- }
- for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
- lum += dstx;
- cb += skip2;
- cr += skip2;
-
- if (dstx & 1) {
- YUVA_IN(y, u, v, a, p, pal);
- u1 = u;
- v1 = v;
- a1 = a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- p += wrap3;
- lum += wrap;
- YUVA_IN(y, u, v, a, p, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
- cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
- cb++;
- cr++;
- p += -wrap3 + BPP;
- lum += -wrap + 1;
- }
- for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
- YUVA_IN(y, u, v, a, p, pal);
- u1 = u;
- v1 = v;
- a1 = a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
-
- YUVA_IN(y, u, v, a, p + BPP, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
- p += wrap3;
- lum += wrap;
-
- YUVA_IN(y, u, v, a, p, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
-
- YUVA_IN(y, u, v, a, p + BPP, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
-
- cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
- cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
-
- cb++;
- cr++;
- p += -wrap3 + 2 * BPP;
- lum += -wrap + 2;
- }
- if (w) {
- YUVA_IN(y, u, v, a, p, pal);
- u1 = u;
- v1 = v;
- a1 = a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- p += wrap3;
- lum += wrap;
- YUVA_IN(y, u, v, a, p, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
- cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
- cb++;
- cr++;
- p += -wrap3 + BPP;
- lum += -wrap + 1;
- }
- p += wrap3 + (wrap3 - dstw * BPP);
- lum += wrap + (wrap - dstw - dstx);
- cb += dst->linesize[1] - width2 - skip2;
- cr += dst->linesize[2] - width2 - skip2;
- }
- /* handle odd height */
- if (h) {
- lum += dstx;
- cb += skip2;
- cr += skip2;
-
- if (dstx & 1) {
- YUVA_IN(y, u, v, a, p, pal);
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
- cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
- cb++;
- cr++;
- lum++;
- p += BPP;
- }
- for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
- YUVA_IN(y, u, v, a, p, pal);
- u1 = u;
- v1 = v;
- a1 = a;
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
-
- YUVA_IN(y, u, v, a, p + BPP, pal);
- u1 += u;
- v1 += v;
- a1 += a;
- lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
- cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
- cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
- cb++;
- cr++;
- p += 2 * BPP;
- lum += 2;
- }
- if (w) {
- YUVA_IN(y, u, v, a, p, pal);
- lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
- cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
- cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
- }
- }
-}
-
-static void free_subpicture(SubPicture *sp)
-{
- avsubtitle_free(&sp->sub);
-}
-
-static void video_image_display(VideoState *is)
-{
- VideoPicture *vp;
- SubPicture *sp;
- AVPicture pict;
- float aspect_ratio;
- int width, height, x, y;
- SDL_Rect rect;
- int i;
-
- vp = &is->pictq[is->pictq_rindex];
- if (vp->bmp) {
-#if CONFIG_AVFILTER
- if (vp->picref->video->pixel_aspect.num == 0)
- aspect_ratio = 0;
- else
- aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
-#else
-
- /* XXX: use variable in the frame */
- if (is->video_st->sample_aspect_ratio.num)
- aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
- else if (is->video_st->codec->sample_aspect_ratio.num)
- aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
- else
- aspect_ratio = 0;
-#endif
- if (aspect_ratio <= 0.0)
- aspect_ratio = 1.0;
- aspect_ratio *= (float)vp->width / (float)vp->height;
-
- if (is->subtitle_st)
- {
- if (is->subpq_size > 0)
- {
- sp = &is->subpq[is->subpq_rindex];
-
- if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
- {
- SDL_LockYUVOverlay (vp->bmp);
-
- pict.data[0] = vp->bmp->pixels[0];
- pict.data[1] = vp->bmp->pixels[2];
- pict.data[2] = vp->bmp->pixels[1];
-
- pict.linesize[0] = vp->bmp->pitches[0];
- pict.linesize[1] = vp->bmp->pitches[2];
- pict.linesize[2] = vp->bmp->pitches[1];
-
- for (i = 0; i < sp->sub.num_rects; i++)
- blend_subrect(&pict, sp->sub.rects[i],
- vp->bmp->w, vp->bmp->h);
-
- SDL_UnlockYUVOverlay (vp->bmp);
- }
- }
- }
-
-
- /* XXX: we suppose the screen has a 1.0 pixel ratio */
- height = is->height;
- width = ((int)rint(height * aspect_ratio)) & ~1;
- if (width > is->width) {
- width = is->width;
- height = ((int)rint(width / aspect_ratio)) & ~1;
- }
- x = (is->width - width) / 2;
- y = (is->height - height) / 2;
- is->no_background = 0;
- rect.x = is->xleft + x;
- rect.y = is->ytop + y;
- rect.w = width;
- rect.h = height;
- SDL_DisplayYUVOverlay(vp->bmp, &rect);
- }
-}
-
-/* get the current audio output buffer size, in samples. With SDL, we
- cannot have a precise information */
-static int audio_write_get_buf_size(VideoState *is)
-{
- return is->audio_buf_size - is->audio_buf_index;
-}
-
-static inline int compute_mod(int a, int b)
-{
- a = a % b;
- if (a >= 0)
- return a;
- else
- return a + b;
-}
-
-static void video_audio_display(VideoState *s)
-{
- int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
- int ch, channels, h, h2, bgcolor, fgcolor;
- int16_t time_diff;
- int rdft_bits, nb_freq;
-
- for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
- ;
- nb_freq= 1<<(rdft_bits-1);
-
- /* compute display index : center on currently output samples */
- channels = s->audio_st->codec->channels;
- nb_display_channels = channels;
- if (!s->paused) {
- int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
- n = 2 * channels;
- delay = audio_write_get_buf_size(s);
- delay /= n;
-
- /* to be more precise, we take into account the time spent since
- the last buffer computation */
- if (audio_callback_time) {
- time_diff = av_gettime() - audio_callback_time;
- delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
- }
-
- delay += 2*data_used;
- if (delay < data_used)
- delay = data_used;
-
- i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
- if(s->show_audio==1){
- h= INT_MIN;
- for(i=0; i<1000; i+=channels){
- int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
- int a= s->sample_array[idx];
- int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
- int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
- int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
- int score= a-d;
- if(h<score && (b^c)<0){
- h= score;
- i_start= idx;
- }
- }
- }
-
- s->last_i_start = i_start;
- } else {
- i_start = s->last_i_start;
- }
-
- bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
- if(s->show_audio==1){
- fill_rectangle(screen,
- s->xleft, s->ytop, s->width, s->height,
- bgcolor);
-
- fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
-
- /* total height for one channel */
- h = s->height / nb_display_channels;
- /* graph height / 2 */
- h2 = (h * 9) / 20;
- for(ch = 0;ch < nb_display_channels; ch++) {
- i = i_start + ch;
- y1 = s->ytop + ch * h + (h / 2); /* position of center line */
- for(x = 0; x < s->width; x++) {
- y = (s->sample_array[i] * h2) >> 15;
- if (y < 0) {
- y = -y;
- ys = y1 - y;
- } else {
- ys = y1;
- }
- fill_rectangle(screen,
- s->xleft + x, ys, 1, y,
- fgcolor);
- i += channels;
- if (i >= SAMPLE_ARRAY_SIZE)
- i -= SAMPLE_ARRAY_SIZE;
- }
- }
-
- fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
-
- for(ch = 1;ch < nb_display_channels; ch++) {
- y = s->ytop + ch * h;
- fill_rectangle(screen,
- s->xleft, y, s->width, 1,
- fgcolor);
- }
- SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
- }else{
- nb_display_channels= FFMIN(nb_display_channels, 2);
- if(rdft_bits != s->rdft_bits){
- av_rdft_end(s->rdft);
- av_free(s->rdft_data);
- s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
- s->rdft_bits= rdft_bits;
- s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
- }
- {
- FFTSample *data[2];
- for(ch = 0;ch < nb_display_channels; ch++) {
- data[ch] = s->rdft_data + 2*nb_freq*ch;
- i = i_start + ch;
- for(x = 0; x < 2*nb_freq; x++) {
- double w= (x-nb_freq)*(1.0/nb_freq);
- data[ch][x]= s->sample_array[i]*(1.0-w*w);
- i += channels;
- if (i >= SAMPLE_ARRAY_SIZE)
- i -= SAMPLE_ARRAY_SIZE;
- }
- av_rdft_calc(s->rdft, data[ch]);
- }
- //least efficient way to do this, we should of course directly access it but its more than fast enough
- for(y=0; y<s->height; y++){
- double w= 1/sqrt(nb_freq);
- int a= sqrt(w*sqrt(data[0][2*y+0]*data[0][2*y+0] + data[0][2*y+1]*data[0][2*y+1]));
- int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
- + data[1][2*y+1]*data[1][2*y+1])) : a;
- a= FFMIN(a,255);
- b= FFMIN(b,255);
- fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
-
- fill_rectangle(screen,
- s->xpos, s->height-y, 1, 1,
- fgcolor);
- }
- }
- SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
- s->xpos++;
- if(s->xpos >= s->width)
- s->xpos= s->xleft;
- }
-}
-
-static int video_open(VideoState *is){
- int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
- int w,h;
-
- if(is_full_screen) flags |= SDL_FULLSCREEN;
- else flags |= SDL_RESIZABLE;
-
- if (is_full_screen && fs_screen_width) {
- w = fs_screen_width;
- h = fs_screen_height;
- } else if(!is_full_screen && screen_width){
- w = screen_width;
- h = screen_height;
-#if CONFIG_AVFILTER
- }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
- w = is->out_video_filter->inputs[0]->w;
- h = is->out_video_filter->inputs[0]->h;
-#else
- }else if (is->video_st && is->video_st->codec->width){
- w = is->video_st->codec->width;
- h = is->video_st->codec->height;
-#endif
- } else {
- w = 640;
- h = 480;
- }
- if(screen && is->width == screen->w && screen->w == w
- && is->height== screen->h && screen->h == h)
- return 0;
-
-#ifndef __APPLE__
- screen = SDL_SetVideoMode(w, h, 0, flags);
-#else
- /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
- screen = SDL_SetVideoMode(w, h, 24, flags);
-#endif
- if (!screen) {
- fprintf(stderr, "SDL: could not set video mode - exiting\n");
- return -1;
- }
- if (!window_title)
- window_title = input_filename;
- SDL_WM_SetCaption(window_title, window_title);
-
- is->width = screen->w;
- is->height = screen->h;
-
- return 0;
-}
-
-/* display the current picture, if any */
-static void video_display(VideoState *is)
-{
- if(!screen)
- video_open(cur_stream);
- if (is->audio_st && is->show_audio)
- video_audio_display(is);
- else if (is->video_st)
- video_image_display(is);
-}
-
-static int refresh_thread(void *opaque)
-{
- VideoState *is= opaque;
- while(!is->abort_request){
- SDL_Event event;
- event.type = FF_REFRESH_EVENT;
- event.user.data1 = opaque;
- if(!is->refresh){
- is->refresh=1;
- SDL_PushEvent(&event);
- }
- usleep(is->audio_st && is->show_audio ? rdftspeed*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
- }
- return 0;
-}
-
-/* get the current audio clock value */
-static double get_audio_clock(VideoState *is)
-{
- double pts;
- int hw_buf_size, bytes_per_sec;
- pts = is->audio_clock;
- hw_buf_size = audio_write_get_buf_size(is);
- bytes_per_sec = 0;
- if (is->audio_st) {
- bytes_per_sec = is->audio_st->codec->sample_rate *
- 2 * is->audio_st->codec->channels;
- }
- if (bytes_per_sec)
- pts -= (double)hw_buf_size / bytes_per_sec;
- return pts;
-}
-
-/* get the current video clock value */
-static double get_video_clock(VideoState *is)
-{
- if (is->paused) {
- return is->video_current_pts;
- } else {
- return is->video_current_pts_drift + av_gettime() / 1000000.0;
- }
-}
-
-/* get the current external clock value */
-static double get_external_clock(VideoState *is)
-{
- int64_t ti;
- ti = av_gettime();
- return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
-}
-
-/* get the current master clock value */
-static double get_master_clock(VideoState *is)
-{
- double val;
-
- if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
- if (is->video_st)
- val = get_video_clock(is);
- else
- val = get_audio_clock(is);
- } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
- if (is->audio_st)
- val = get_audio_clock(is);
- else
- val = get_video_clock(is);
- } else {
- val = get_external_clock(is);
- }
- return val;
-}
-
-/* seek in the stream */
-static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
-{
- if (!is->seek_req) {
- is->seek_pos = pos;
- is->seek_rel = rel;
- is->seek_flags &= ~AVSEEK_FLAG_BYTE;
- if (seek_by_bytes)
- is->seek_flags |= AVSEEK_FLAG_BYTE;
- is->seek_req = 1;
- }
-}
-
-/* pause or resume the video */
-static void stream_pause(VideoState *is)
-{
- if (is->paused) {
- is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
- if(is->read_pause_return != AVERROR(ENOSYS)){
- is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
- }
- is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
- }
- is->paused = !is->paused;
-}
-
-static double compute_target_time(double frame_current_pts, VideoState *is)
-{
- double delay, sync_threshold, diff;
-
- /* compute nominal delay */
- delay = frame_current_pts - is->frame_last_pts;
- if (delay <= 0 || delay >= 10.0) {
- /* if incorrect delay, use previous one */
- delay = is->frame_last_delay;
- } else {
- is->frame_last_delay = delay;
- }
- is->frame_last_pts = frame_current_pts;
-
- /* update delay to follow master synchronisation source */
- if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
- is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
- /* if video is slave, we try to correct big delays by
- duplicating or deleting a frame */
- diff = get_video_clock(is) - get_master_clock(is);
-
- /* skip or repeat frame. We take into account the
- delay to compute the threshold. I still don't know
- if it is the best guess */
- sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
- if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
- if (diff <= -sync_threshold)
- delay = 0;
- else if (diff >= sync_threshold)
- delay = 2 * delay;
- }
- }
- is->frame_timer += delay;
-
- av_dlog(NULL, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
- delay, frame_current_pts, -diff);
-
- return is->frame_timer;
-}
-
-/* called to display each frame */
-static void video_refresh_timer(void *opaque)
-{
- VideoState *is = opaque;
- VideoPicture *vp;
-
- SubPicture *sp, *sp2;
-
- if (is->video_st) {
-retry:
- if (is->pictq_size == 0) {
- //nothing to do, no picture to display in the que
- } else {
- double time= av_gettime()/1000000.0;
- double next_target;
- /* dequeue the picture */
- vp = &is->pictq[is->pictq_rindex];
-
- if(time < vp->target_clock)
- return;
- /* update current video pts */
- is->video_current_pts = vp->pts;
- is->video_current_pts_drift = is->video_current_pts - time;
- is->video_current_pos = vp->pos;
- if(is->pictq_size > 1){
- VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
- assert(nextvp->target_clock >= vp->target_clock);
- next_target= nextvp->target_clock;
- }else{
- next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
- }
- if(framedrop && time > next_target){
- is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
- if(is->pictq_size > 1 || time > next_target + 0.5){
- /* update queue size and signal for next picture */
- if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
- is->pictq_rindex = 0;
-
- SDL_LockMutex(is->pictq_mutex);
- is->pictq_size--;
- SDL_CondSignal(is->pictq_cond);
- SDL_UnlockMutex(is->pictq_mutex);
- goto retry;
- }
- }
-
- if(is->subtitle_st) {
- if (is->subtitle_stream_changed) {
- SDL_LockMutex(is->subpq_mutex);
-
- while (is->subpq_size) {
- free_subpicture(&is->subpq[is->subpq_rindex]);
-
- /* update queue size and signal for next picture */
- if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
- is->subpq_rindex = 0;
-
- is->subpq_size--;
- }
- is->subtitle_stream_changed = 0;
-
- SDL_CondSignal(is->subpq_cond);
- SDL_UnlockMutex(is->subpq_mutex);
- } else {
- if (is->subpq_size > 0) {
- sp = &is->subpq[is->subpq_rindex];
-
- if (is->subpq_size > 1)
- sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
- else
- sp2 = NULL;
-
- if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
- || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
- {
- free_subpicture(sp);
-
- /* update queue size and signal for next picture */
- if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
- is->subpq_rindex = 0;
-
- SDL_LockMutex(is->subpq_mutex);
- is->subpq_size--;
- SDL_CondSignal(is->subpq_cond);
- SDL_UnlockMutex(is->subpq_mutex);
- }
- }
- }
- }
-
- /* display picture */
- if (!display_disable)
- video_display(is);
-
- /* update queue size and signal for next picture */
- if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
- is->pictq_rindex = 0;
-
- SDL_LockMutex(is->pictq_mutex);
- is->pictq_size--;
- SDL_CondSignal(is->pictq_cond);
- SDL_UnlockMutex(is->pictq_mutex);
- }
- } else if (is->audio_st) {
- /* draw the next audio frame */
-
- /* if only audio stream, then display the audio bars (better
- than nothing, just to test the implementation */
-
- /* display picture */
- if (!display_disable)
- video_display(is);
- }
- if (show_status) {
- static int64_t last_time;
- int64_t cur_time;
- int aqsize, vqsize, sqsize;
- double av_diff;
-
- cur_time = av_gettime();
- if (!last_time || (cur_time - last_time) >= 30000) {
- aqsize = 0;
- vqsize = 0;
- sqsize = 0;
- if (is->audio_st)
- aqsize = is->audioq.size;
- if (is->video_st)
- vqsize = is->videoq.size;
- if (is->subtitle_st)
- sqsize = is->subtitleq.size;
- av_diff = 0;
- if (is->audio_st && is->video_st)
- av_diff = get_audio_clock(is) - get_video_clock(is);
- printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
- get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
- fflush(stdout);
- last_time = cur_time;
- }
- }
-}
-
-static void stream_close(VideoState *is)
-{
- VideoPicture *vp;
- int i;
- /* XXX: use a special url_shutdown call to abort parse cleanly */
- is->abort_request = 1;
- SDL_WaitThread(is->parse_tid, NULL);
- SDL_WaitThread(is->refresh_tid, NULL);
-
- /* free all pictures */
- for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
- vp = &is->pictq[i];
-#if CONFIG_AVFILTER
- if (vp->picref) {
- avfilter_unref_buffer(vp->picref);
- vp->picref = NULL;
- }
-#endif
- if (vp->bmp) {
- SDL_FreeYUVOverlay(vp->bmp);
- vp->bmp = NULL;
- }
- }
- SDL_DestroyMutex(is->pictq_mutex);
- SDL_DestroyCond(is->pictq_cond);
- SDL_DestroyMutex(is->subpq_mutex);
- SDL_DestroyCond(is->subpq_cond);
-#if !CONFIG_AVFILTER
- if (is->img_convert_ctx)
- sws_freeContext(is->img_convert_ctx);
-#endif
- av_free(is);
-}
-
-static void do_exit(void)
-{
- if (cur_stream) {
- stream_close(cur_stream);
- cur_stream = NULL;
- }
- uninit_opts();
-#if CONFIG_AVFILTER
- avfilter_uninit();
-#endif
- if (show_status)
- printf("\n");
- SDL_Quit();
- av_log(NULL, AV_LOG_QUIET, "");
- exit(0);
-}
-
-/* allocate a picture (needs to do that in main thread to avoid
- potential locking problems */
-static void alloc_picture(void *opaque)
-{
- VideoState *is = opaque;
- VideoPicture *vp;
-
- vp = &is->pictq[is->pictq_windex];
-
- if (vp->bmp)
- SDL_FreeYUVOverlay(vp->bmp);
-
-#if CONFIG_AVFILTER
- if (vp->picref)
- avfilter_unref_buffer(vp->picref);
- vp->picref = NULL;
-
- vp->width = is->out_video_filter->inputs[0]->w;
- vp->height = is->out_video_filter->inputs[0]->h;
- vp->pix_fmt = is->out_video_filter->inputs[0]->format;
-#else
- vp->width = is->video_st->codec->width;
- vp->height = is->video_st->codec->height;
- vp->pix_fmt = is->video_st->codec->pix_fmt;
-#endif
-
- vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
- SDL_YV12_OVERLAY,
- screen);
- if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
- /* SDL allocates a buffer smaller than requested if the video
- * overlay hardware is unable to support the requested size. */
- fprintf(stderr, "Error: the video system does not support an image\n"
- "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
- "to reduce the image size.\n", vp->width, vp->height );
- do_exit();
- }
-
- SDL_LockMutex(is->pictq_mutex);
- vp->allocated = 1;
- SDL_CondSignal(is->pictq_cond);
- SDL_UnlockMutex(is->pictq_mutex);
-}
-
-/**
- *
- * @param pts the dts of the pkt / pts of the frame and guessed if not known
- */
-static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
-{
- VideoPicture *vp;
-#if CONFIG_AVFILTER
- AVPicture pict_src;
-#else
- int dst_pix_fmt = PIX_FMT_YUV420P;
-#endif
- /* wait until we have space to put a new picture */
- SDL_LockMutex(is->pictq_mutex);
-
- if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
- is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
-
- while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
- !is->videoq.abort_request) {
- SDL_CondWait(is->pictq_cond, is->pictq_mutex);
- }
- SDL_UnlockMutex(is->pictq_mutex);
-
- if (is->videoq.abort_request)
- return -1;
-
- vp = &is->pictq[is->pictq_windex];
-
- /* alloc or resize hardware picture buffer */
- if (!vp->bmp ||
-#if CONFIG_AVFILTER
- vp->width != is->out_video_filter->inputs[0]->w ||
- vp->height != is->out_video_filter->inputs[0]->h) {
-#else
- vp->width != is->video_st->codec->width ||
- vp->height != is->video_st->codec->height) {
-#endif
- SDL_Event event;
-
- vp->allocated = 0;
-
- /* the allocation must be done in the main thread to avoid
- locking problems */
- event.type = FF_ALLOC_EVENT;
- event.user.data1 = is;
- SDL_PushEvent(&event);
-
- /* wait until the picture is allocated */
- SDL_LockMutex(is->pictq_mutex);
- while (!vp->allocated && !is->videoq.abort_request) {
- SDL_CondWait(is->pictq_cond, is->pictq_mutex);
- }
- SDL_UnlockMutex(is->pictq_mutex);
-
- if (is->videoq.abort_request)
- return -1;
- }
-
- /* if the frame is not skipped, then display it */
- if (vp->bmp) {
- AVPicture pict;
-#if CONFIG_AVFILTER
- if(vp->picref)
- avfilter_unref_buffer(vp->picref);
- vp->picref = src_frame->opaque;
-#endif
-
- /* get a pointer on the bitmap */
- SDL_LockYUVOverlay (vp->bmp);
-
- memset(&pict,0,sizeof(AVPicture));
- pict.data[0] = vp->bmp->pixels[0];
- pict.data[1] = vp->bmp->pixels[2];
- pict.data[2] = vp->bmp->pixels[1];
-
- pict.linesize[0] = vp->bmp->pitches[0];
- pict.linesize[1] = vp->bmp->pitches[2];
- pict.linesize[2] = vp->bmp->pitches[1];
-
-#if CONFIG_AVFILTER
- pict_src.data[0] = src_frame->data[0];
- pict_src.data[1] = src_frame->data[1];
- pict_src.data[2] = src_frame->data[2];
-
- pict_src.linesize[0] = src_frame->linesize[0];
- pict_src.linesize[1] = src_frame->linesize[1];
- pict_src.linesize[2] = src_frame->linesize[2];
-
- //FIXME use direct rendering
- av_picture_copy(&pict, &pict_src,
- vp->pix_fmt, vp->width, vp->height);
-#else
- sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
- is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
- vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
- dst_pix_fmt, sws_flags, NULL, NULL, NULL);
- if (is->img_convert_ctx == NULL) {
- fprintf(stderr, "Cannot initialize the conversion context\n");
- exit(1);
- }
- sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
- 0, vp->height, pict.data, pict.linesize);
-#endif
- /* update the bitmap content */
- SDL_UnlockYUVOverlay(vp->bmp);
-
- vp->pts = pts;
- vp->pos = pos;
-
- /* now we can update the picture count */
- if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
- is->pictq_windex = 0;
- SDL_LockMutex(is->pictq_mutex);
- vp->target_clock= compute_target_time(vp->pts, is);
-
- is->pictq_size++;
- SDL_UnlockMutex(is->pictq_mutex);
- }
- return 0;
-}
-
-/**
- * compute the exact PTS for the picture if it is omitted in the stream
- * @param pts1 the dts of the pkt / pts of the frame
- */
-static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
-{
- double frame_delay, pts;
-
- pts = pts1;
-
- if (pts != 0) {
- /* update video clock with pts, if present */
- is->video_clock = pts;
- } else {
- pts = is->video_clock;
- }
- /* update video clock for next frame */
- frame_delay = av_q2d(is->video_st->codec->time_base);
- /* for MPEG2, the frame can be repeated, so we update the
- clock accordingly */
- frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
- is->video_clock += frame_delay;
-
- return queue_picture(is, src_frame, pts, pos);
-}
-
-static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
-{
- int got_picture, i;
-
- if (packet_queue_get(&is->videoq, pkt, 1) < 0)
- return -1;
-
- if (pkt->data == flush_pkt.data) {
- avcodec_flush_buffers(is->video_st->codec);
-
- SDL_LockMutex(is->pictq_mutex);
- //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
- for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
- is->pictq[i].target_clock= 0;
- }
- while (is->pictq_size && !is->videoq.abort_request) {
- SDL_CondWait(is->pictq_cond, is->pictq_mutex);
- }
- is->video_current_pos = -1;
- SDL_UnlockMutex(is->pictq_mutex);
-
- init_pts_correction(&is->pts_ctx);
- is->frame_last_pts = AV_NOPTS_VALUE;
- is->frame_last_delay = 0;
- is->frame_timer = (double)av_gettime() / 1000000.0;
- is->skip_frames = 1;
- is->skip_frames_index = 0;
- return 0;
- }
-
- avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt);
-
- if (got_picture) {
- if (decoder_reorder_pts == -1) {
- *pts = guess_correct_pts(&is->pts_ctx, frame->pkt_pts, frame->pkt_dts);
- } else if (decoder_reorder_pts) {
- *pts = frame->pkt_pts;
- } else {
- *pts = frame->pkt_dts;
- }
-
- if (*pts == AV_NOPTS_VALUE) {
- *pts = 0;
- }
-
- is->skip_frames_index += 1;
- if(is->skip_frames_index >= is->skip_frames){
- is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
- return 1;
- }
-
- }
- return 0;
-}
-
-#if CONFIG_AVFILTER
-typedef struct {
- VideoState *is;
- AVFrame *frame;
- int use_dr1;
-} FilterPriv;
-
-static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
-{
- AVFilterContext *ctx = codec->opaque;
- AVFilterBufferRef *ref;
- int perms = AV_PERM_WRITE;
- int i, w, h, stride[4];
- unsigned edge;
- int pixel_size;
-
- if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
- perms |= AV_PERM_NEG_LINESIZES;
-
- if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
- if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
- if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
- if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
- }
- if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
-
- w = codec->width;
- h = codec->height;
- avcodec_align_dimensions2(codec, &w, &h, stride);
- edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
- w += edge << 1;
- h += edge << 1;
-
- if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
- return -1;
-
- pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
- ref->video->w = codec->width;
- ref->video->h = codec->height;
- for(i = 0; i < 4; i ++) {
- unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
- unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
-
- if (ref->data[i]) {
- ref->data[i] += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
- }
- pic->data[i] = ref->data[i];
- pic->linesize[i] = ref->linesize[i];
- }
- pic->opaque = ref;
- pic->age = INT_MAX;
- pic->type = FF_BUFFER_TYPE_USER;
- pic->reordered_opaque = codec->reordered_opaque;
- if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
- else pic->pkt_pts = AV_NOPTS_VALUE;
- return 0;
-}
-
-static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
-{
- memset(pic->data, 0, sizeof(pic->data));
- avfilter_unref_buffer(pic->opaque);
-}
-
-static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
-{
- AVFilterBufferRef *ref = pic->opaque;
-
- if (pic->data[0] == NULL) {
- pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
- return codec->get_buffer(codec, pic);
- }
-
- if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
- (codec->pix_fmt != ref->format)) {
- av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
- return -1;
- }
-
- pic->reordered_opaque = codec->reordered_opaque;
- if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
- else pic->pkt_pts = AV_NOPTS_VALUE;
- return 0;
-}
-
-static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
-{
- FilterPriv *priv = ctx->priv;
- AVCodecContext *codec;
- if(!opaque) return -1;
-
- priv->is = opaque;
- codec = priv->is->video_st->codec;
- codec->opaque = ctx;
- if(codec->codec->capabilities & CODEC_CAP_DR1) {
- priv->use_dr1 = 1;
- codec->get_buffer = input_get_buffer;
- codec->release_buffer = input_release_buffer;
- codec->reget_buffer = input_reget_buffer;
- codec->thread_safe_callbacks = 1;
- }
-
- priv->frame = avcodec_alloc_frame();
-
- return 0;
-}
-
-static void input_uninit(AVFilterContext *ctx)
-{
- FilterPriv *priv = ctx->priv;
- av_free(priv->frame);
-}
-
-static int input_request_frame(AVFilterLink *link)
-{
- FilterPriv *priv = link->src->priv;
- AVFilterBufferRef *picref;
- int64_t pts = 0;
- AVPacket pkt;
- int ret;
-
- while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
- av_free_packet(&pkt);
- if (ret < 0)
- return -1;
-
- if(priv->use_dr1) {
- picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
- } else {
- picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
- av_image_copy(picref->data, picref->linesize,
- priv->frame->data, priv->frame->linesize,
- picref->format, link->w, link->h);
- }
- av_free_packet(&pkt);
-
- picref->pts = pts;
- picref->pos = pkt.pos;
- picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
- avfilter_start_frame(link, picref);
- avfilter_draw_slice(link, 0, link->h, 1);
- avfilter_end_frame(link);
-
- return 0;
-}
-
-static int input_query_formats(AVFilterContext *ctx)
-{
- FilterPriv *priv = ctx->priv;
- enum PixelFormat pix_fmts[] = {
- priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
- };
-
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
- return 0;
-}
-
-static int input_config_props(AVFilterLink *link)
-{
- FilterPriv *priv = link->src->priv;
- AVCodecContext *c = priv->is->video_st->codec;
-
- link->w = c->width;
- link->h = c->height;
- link->time_base = priv->is->video_st->time_base;
-
- return 0;
-}
-
-static AVFilter input_filter =
-{
- .name = "ffplay_input",
-
- .priv_size = sizeof(FilterPriv),
-
- .init = input_init,
- .uninit = input_uninit,
-
- .query_formats = input_query_formats,
-
- .inputs = (AVFilterPad[]) {{ .name = NULL }},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .request_frame = input_request_frame,
- .config_props = input_config_props, },
- { .name = NULL }},
-};
-
-static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
-{
- char sws_flags_str[128];
- int ret;
- FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
- AVFilterContext *filt_src = NULL, *filt_out = NULL;
- snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
- graph->scale_sws_opts = av_strdup(sws_flags_str);
-
- if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
- NULL, is, graph)) < 0)
- return ret;
- if ((ret = avfilter_graph_create_filter(&filt_out, &ffsink, "out",
- NULL, &ffsink_ctx, graph)) < 0)
- return ret;
-
- if(vfilters) {
- AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
- AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
-
- outputs->name = av_strdup("in");
- outputs->filter_ctx = filt_src;
- outputs->pad_idx = 0;
- outputs->next = NULL;
-
- inputs->name = av_strdup("out");
- inputs->filter_ctx = filt_out;
- inputs->pad_idx = 0;
- inputs->next = NULL;
-
- if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
- return ret;
- av_freep(&vfilters);
- } else {
- if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
- return ret;
- }
-
- if ((ret = avfilter_graph_config(graph, NULL)) < 0)
- return ret;
-
- is->out_video_filter = filt_out;
-
- return ret;
-}
-
-#endif /* CONFIG_AVFILTER */
-
-static int video_thread(void *arg)
-{
- VideoState *is = arg;
- AVFrame *frame= avcodec_alloc_frame();
- int64_t pts_int;
- double pts;
- int ret;
-
-#if CONFIG_AVFILTER
- AVFilterGraph *graph = avfilter_graph_alloc();
- AVFilterContext *filt_out = NULL;
- int64_t pos;
-
- if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
- goto the_end;
- filt_out = is->out_video_filter;
-#endif
-
- for(;;) {
-#if !CONFIG_AVFILTER
- AVPacket pkt;
-#else
- AVFilterBufferRef *picref;
- AVRational tb;
-#endif
- while (is->paused && !is->videoq.abort_request)
- SDL_Delay(10);
-#if CONFIG_AVFILTER
- ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
- if (picref) {
- pts_int = picref->pts;
- pos = picref->pos;
- frame->opaque = picref;
- }
-
- if (av_cmp_q(tb, is->video_st->time_base)) {
- av_unused int64_t pts1 = pts_int;
- pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
- av_dlog(NULL, "video_thread(): "
- "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
- tb.num, tb.den, pts1,
- is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
- }
-#else
- ret = get_video_frame(is, frame, &pts_int, &pkt);
-#endif
-
- if (ret < 0) goto the_end;
-
- if (!ret)
- continue;
-
- pts = pts_int*av_q2d(is->video_st->time_base);
-
-#if CONFIG_AVFILTER
- ret = output_picture2(is, frame, pts, pos);
-#else
- ret = output_picture2(is, frame, pts, pkt.pos);
- av_free_packet(&pkt);
-#endif
- if (ret < 0)
- goto the_end;
-
- if (step)
- if (cur_stream)
- stream_pause(cur_stream);
- }
- the_end:
-#if CONFIG_AVFILTER
- avfilter_graph_free(&graph);
-#endif
- av_free(frame);
- return 0;
-}
-
-static int subtitle_thread(void *arg)
-{
- VideoState *is = arg;
- SubPicture *sp;
- AVPacket pkt1, *pkt = &pkt1;
- int got_subtitle;
- double pts;
- int i, j;
- int r, g, b, y, u, v, a;
-
- for(;;) {
- while (is->paused && !is->subtitleq.abort_request) {
- SDL_Delay(10);
- }
- if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
- break;
-
- if(pkt->data == flush_pkt.data){
- avcodec_flush_buffers(is->subtitle_st->codec);
- continue;
- }
- SDL_LockMutex(is->subpq_mutex);
- while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
- !is->subtitleq.abort_request) {
- SDL_CondWait(is->subpq_cond, is->subpq_mutex);
- }
- SDL_UnlockMutex(is->subpq_mutex);
-
- if (is->subtitleq.abort_request)
- return 0;
-
- sp = &is->subpq[is->subpq_windex];
-
- /* NOTE: ipts is the PTS of the _first_ picture beginning in
- this packet, if any */
- pts = 0;
- if (pkt->pts != AV_NOPTS_VALUE)
- pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
-
- avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
- &got_subtitle, pkt);
-
- if (got_subtitle && sp->sub.format == 0) {
- sp->pts = pts;
-
- for (i = 0; i < sp->sub.num_rects; i++)
- {
- for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
- {
- RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
- y = RGB_TO_Y_CCIR(r, g, b);
- u = RGB_TO_U_CCIR(r, g, b, 0);
- v = RGB_TO_V_CCIR(r, g, b, 0);
- YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
- }
- }
-
- /* now we can update the picture count */
- if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
- is->subpq_windex = 0;
- SDL_LockMutex(is->subpq_mutex);
- is->subpq_size++;
- SDL_UnlockMutex(is->subpq_mutex);
- }
- av_free_packet(pkt);
- }
- return 0;
-}
-
-/* copy samples for viewing in editor window */
-static void update_sample_display(VideoState *is, short *samples, int samples_size)
-{
- int size, len;
-
- size = samples_size / sizeof(short);
- while (size > 0) {
- len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
- if (len > size)
- len = size;
- memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
- samples += len;
- is->sample_array_index += len;
- if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
- is->sample_array_index = 0;
- size -= len;
- }
-}
-
-/* return the new audio buffer size (samples can be added or deleted
- to get better sync if video or external master clock) */
-static int synchronize_audio(VideoState *is, short *samples,
- int samples_size1, double pts)
-{
- int n, samples_size;
- double ref_clock;
-
- n = 2 * is->audio_st->codec->channels;
- samples_size = samples_size1;
-
- /* if not master, then we try to remove or add samples to correct the clock */
- if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
- is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
- double diff, avg_diff;
- int wanted_size, min_size, max_size, nb_samples;
-
- ref_clock = get_master_clock(is);
- diff = get_audio_clock(is) - ref_clock;
-
- if (diff < AV_NOSYNC_THRESHOLD) {
- is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
- if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
- /* not enough measures to have a correct estimate */
- is->audio_diff_avg_count++;
- } else {
- /* estimate the A-V difference */
- avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
-
- if (fabs(avg_diff) >= is->audio_diff_threshold) {
- wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
- nb_samples = samples_size / n;
-
- min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
- max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
- if (wanted_size < min_size)
- wanted_size = min_size;
- else if (wanted_size > max_size)
- wanted_size = max_size;
-
- /* add or remove samples to correction the synchro */
- if (wanted_size < samples_size) {
- /* remove samples */
- samples_size = wanted_size;
- } else if (wanted_size > samples_size) {
- uint8_t *samples_end, *q;
- int nb;
-
- /* add samples */
- nb = (samples_size - wanted_size);
- samples_end = (uint8_t *)samples + samples_size - n;
- q = samples_end + n;
- while (nb > 0) {
- memcpy(q, samples_end, n);
- q += n;
- nb -= n;
- }
- samples_size = wanted_size;
- }
- }
- av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
- diff, avg_diff, samples_size - samples_size1,
- is->audio_clock, is->video_clock, is->audio_diff_threshold);
- }
- } else {
- /* too big difference : may be initial PTS errors, so
- reset A-V filter */
- is->audio_diff_avg_count = 0;
- is->audio_diff_cum = 0;
- }
- }
-
- return samples_size;
-}
-
-/* decode one audio frame and returns its uncompressed size */
-static int audio_decode_frame(VideoState *is, double *pts_ptr)
-{
- AVPacket *pkt_temp = &is->audio_pkt_temp;
- AVPacket *pkt = &is->audio_pkt;
- AVCodecContext *dec= is->audio_st->codec;
- int n, len1, data_size;
- double pts;
-
- for(;;) {
- /* NOTE: the audio packet can contain several frames */
- while (pkt_temp->size > 0) {
- data_size = sizeof(is->audio_buf1);
- len1 = avcodec_decode_audio3(dec,
- (int16_t *)is->audio_buf1, &data_size,
- pkt_temp);
- if (len1 < 0) {
- /* if error, we skip the frame */
- pkt_temp->size = 0;
- break;
- }
-
- pkt_temp->data += len1;
- pkt_temp->size -= len1;
- if (data_size <= 0)
- continue;
-
- if (dec->sample_fmt != is->audio_src_fmt) {
- if (is->reformat_ctx)
- av_audio_convert_free(is->reformat_ctx);
- is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
- dec->sample_fmt, 1, NULL, 0);
- if (!is->reformat_ctx) {
- fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
- av_get_sample_fmt_name(dec->sample_fmt),
- av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
- break;
- }
- is->audio_src_fmt= dec->sample_fmt;
- }
-
- if (is->reformat_ctx) {
- const void *ibuf[6]= {is->audio_buf1};
- void *obuf[6]= {is->audio_buf2};
- int istride[6]= {av_get_bytes_per_sample(dec->sample_fmt)};
- int ostride[6]= {2};
- int len= data_size/istride[0];
- if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
- printf("av_audio_convert() failed\n");
- break;
- }
- is->audio_buf= is->audio_buf2;
- /* FIXME: existing code assume that data_size equals framesize*channels*2
- remove this legacy cruft */
- data_size= len*2;
- }else{
- is->audio_buf= is->audio_buf1;
- }
-
- /* if no pts, then compute it */
- pts = is->audio_clock;
- *pts_ptr = pts;
- n = 2 * dec->channels;
- is->audio_clock += (double)data_size /
- (double)(n * dec->sample_rate);
-#ifdef DEBUG
- {
- static double last_clock;
- printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
- is->audio_clock - last_clock,
- is->audio_clock, pts);
- last_clock = is->audio_clock;
- }
-#endif
- return data_size;
- }
-
- /* free the current packet */
- if (pkt->data)
- av_free_packet(pkt);
-
- if (is->paused || is->audioq.abort_request) {
- return -1;
- }
-
- /* read next packet */
- if (packet_queue_get(&is->audioq, pkt, 1) < 0)
- return -1;
- if(pkt->data == flush_pkt.data){
- avcodec_flush_buffers(dec);
- continue;
- }
-
- pkt_temp->data = pkt->data;
- pkt_temp->size = pkt->size;
-
- /* if update the audio clock with the pts */
- if (pkt->pts != AV_NOPTS_VALUE) {
- is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
- }
- }
-}
-
-/* prepare a new audio buffer */
-static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
-{
- VideoState *is = opaque;
- int audio_size, len1;
- double pts;
-
- audio_callback_time = av_gettime();
-
- while (len > 0) {
- if (is->audio_buf_index >= is->audio_buf_size) {
- audio_size = audio_decode_frame(is, &pts);
- if (audio_size < 0) {
- /* if error, just output silence */
- is->audio_buf = is->audio_buf1;
- is->audio_buf_size = 1024;
- memset(is->audio_buf, 0, is->audio_buf_size);
- } else {
- if (is->show_audio)
- update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
- audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
- pts);
- is->audio_buf_size = audio_size;
- }
- is->audio_buf_index = 0;
- }
- len1 = is->audio_buf_size - is->audio_buf_index;
- if (len1 > len)
- len1 = len;
- memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
- len -= len1;
- stream += len1;
- is->audio_buf_index += len1;
- }
-}
-
-/* open a given stream. Return 0 if OK */
-static int stream_component_open(VideoState *is, int stream_index)
-{
- AVFormatContext *ic = is->ic;
- AVCodecContext *avctx;
- AVCodec *codec;
- SDL_AudioSpec wanted_spec, spec;
- AVDictionary *opts;
- AVDictionaryEntry *t = NULL;
-
- if (stream_index < 0 || stream_index >= ic->nb_streams)
- return -1;
- avctx = ic->streams[stream_index]->codec;
-
- opts = filter_codec_opts(codec_opts, avctx->codec_id, 0);
-
- /* prepare audio output */
- if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- if (avctx->channels > 0) {
- avctx->request_channels = FFMIN(2, avctx->channels);
- } else {
- avctx->request_channels = 2;
- }
- }
-
- codec = avcodec_find_decoder(avctx->codec_id);
- avctx->debug_mv = debug_mv;
- avctx->debug = debug;
- avctx->workaround_bugs = workaround_bugs;
- avctx->lowres = lowres;
- if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
- avctx->idct_algo= idct;
- if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
- avctx->skip_frame= skip_frame;
- avctx->skip_idct= skip_idct;
- avctx->skip_loop_filter= skip_loop_filter;
- avctx->error_recognition= error_recognition;
- avctx->error_concealment= error_concealment;
- avctx->thread_count= thread_count;
-
- if (!codec ||
- avcodec_open2(avctx, codec, &opts) < 0)
- return -1;
- if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
- av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
- return AVERROR_OPTION_NOT_FOUND;
- }
-
- /* prepare audio output */
- if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- wanted_spec.freq = avctx->sample_rate;
- wanted_spec.format = AUDIO_S16SYS;
- wanted_spec.channels = avctx->channels;
- wanted_spec.silence = 0;
- wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
- wanted_spec.callback = sdl_audio_callback;
- wanted_spec.userdata = is;
- if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
- fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
- return -1;
- }
- is->audio_hw_buf_size = spec.size;
- is->audio_src_fmt= AV_SAMPLE_FMT_S16;
- }
-
- ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
- switch(avctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- is->audio_stream = stream_index;
- is->audio_st = ic->streams[stream_index];
- is->audio_buf_size = 0;
- is->audio_buf_index = 0;
-
- /* init averaging filter */
- is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
- is->audio_diff_avg_count = 0;
- /* since we do not have a precise anough audio fifo fullness,
- we correct audio sync only if larger than this threshold */
- is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
-
- memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
- packet_queue_init(&is->audioq);
- SDL_PauseAudio(0);
- break;
- case AVMEDIA_TYPE_VIDEO:
- is->video_stream = stream_index;
- is->video_st = ic->streams[stream_index];
-
- packet_queue_init(&is->videoq);
- is->video_tid = SDL_CreateThread(video_thread, is);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- is->subtitle_stream = stream_index;
- is->subtitle_st = ic->streams[stream_index];
- packet_queue_init(&is->subtitleq);
-
- is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
- break;
- default:
- break;
- }
- return 0;
-}
-
-static void stream_component_close(VideoState *is, int stream_index)
-{
- AVFormatContext *ic = is->ic;
- AVCodecContext *avctx;
-
- if (stream_index < 0 || stream_index >= ic->nb_streams)
- return;
- avctx = ic->streams[stream_index]->codec;
-
- switch(avctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- packet_queue_abort(&is->audioq);
-
- SDL_CloseAudio();
-
- packet_queue_end(&is->audioq);
- if (is->reformat_ctx)
- av_audio_convert_free(is->reformat_ctx);
- is->reformat_ctx = NULL;
- break;
- case AVMEDIA_TYPE_VIDEO:
- packet_queue_abort(&is->videoq);
-
- /* note: we also signal this mutex to make sure we deblock the
- video thread in all cases */
- SDL_LockMutex(is->pictq_mutex);
- SDL_CondSignal(is->pictq_cond);
- SDL_UnlockMutex(is->pictq_mutex);
-
- SDL_WaitThread(is->video_tid, NULL);
-
- packet_queue_end(&is->videoq);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- packet_queue_abort(&is->subtitleq);
-
- /* note: we also signal this mutex to make sure we deblock the
- video thread in all cases */
- SDL_LockMutex(is->subpq_mutex);
- is->subtitle_stream_changed = 1;
-
- SDL_CondSignal(is->subpq_cond);
- SDL_UnlockMutex(is->subpq_mutex);
-
- SDL_WaitThread(is->subtitle_tid, NULL);
-
- packet_queue_end(&is->subtitleq);
- break;
- default:
- break;
- }
-
- ic->streams[stream_index]->discard = AVDISCARD_ALL;
- avcodec_close(avctx);
- switch(avctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- is->audio_st = NULL;
- is->audio_stream = -1;
- break;
- case AVMEDIA_TYPE_VIDEO:
- is->video_st = NULL;
- is->video_stream = -1;
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- is->subtitle_st = NULL;
- is->subtitle_stream = -1;
- break;
- default:
- break;
- }
-}
-
-/* since we have only one decoding thread, we can use a global
- variable instead of a thread local variable */
-static VideoState *global_video_state;
-
-static int decode_interrupt_cb(void)
-{
- return (global_video_state && global_video_state->abort_request);
-}
-
-/* this thread gets the stream from the disk or the network */
-static int decode_thread(void *arg)
-{
- VideoState *is = arg;
- AVFormatContext *ic = NULL;
- int err, i, ret;
- int st_index[AVMEDIA_TYPE_NB];
- AVPacket pkt1, *pkt = &pkt1;
- int eof=0;
- int pkt_in_play_range = 0;
- AVDictionaryEntry *t;
- AVDictionary **opts;
- int orig_nb_streams;
-
- memset(st_index, -1, sizeof(st_index));
- is->video_stream = -1;
- is->audio_stream = -1;
- is->subtitle_stream = -1;
-
- global_video_state = is;
- avio_set_interrupt_cb(decode_interrupt_cb);
-
- err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
- if (err < 0) {
- print_error(is->filename, err);
- ret = -1;
- goto fail;
- }
- if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
- av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
- ret = AVERROR_OPTION_NOT_FOUND;
- goto fail;
- }
- is->ic = ic;
-
- if(genpts)
- ic->flags |= AVFMT_FLAG_GENPTS;
-
- opts = setup_find_stream_info_opts(ic, codec_opts);
- orig_nb_streams = ic->nb_streams;
-
- err = avformat_find_stream_info(ic, opts);
- if (err < 0) {
- fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
- ret = -1;
- goto fail;
- }
- for (i = 0; i < orig_nb_streams; i++)
- av_dict_free(&opts[i]);
- av_freep(&opts);
-
- if(ic->pb)
- ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
-
- if(seek_by_bytes<0)
- seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
-
- /* if seeking requested, we execute it */
- if (start_time != AV_NOPTS_VALUE) {
- int64_t timestamp;
-
- timestamp = start_time;
- /* add the stream start time */
- if (ic->start_time != AV_NOPTS_VALUE)
- timestamp += ic->start_time;
- ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
- if (ret < 0) {
- fprintf(stderr, "%s: could not seek to position %0.3f\n",
- is->filename, (double)timestamp / AV_TIME_BASE);
- }
- }
-
- for (i = 0; i < ic->nb_streams; i++)
- ic->streams[i]->discard = AVDISCARD_ALL;
- if (!video_disable)
- st_index[AVMEDIA_TYPE_VIDEO] =
- av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
- wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
- if (!audio_disable)
- st_index[AVMEDIA_TYPE_AUDIO] =
- av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
- wanted_stream[AVMEDIA_TYPE_AUDIO],
- st_index[AVMEDIA_TYPE_VIDEO],
- NULL, 0);
- if (!video_disable)
- st_index[AVMEDIA_TYPE_SUBTITLE] =
- av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
- wanted_stream[AVMEDIA_TYPE_SUBTITLE],
- (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
- st_index[AVMEDIA_TYPE_AUDIO] :
- st_index[AVMEDIA_TYPE_VIDEO]),
- NULL, 0);
- if (show_status) {
- av_dump_format(ic, 0, is->filename, 0);
- }
-
- /* open the streams */
- if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
- stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
- }
-
- ret=-1;
- if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
- ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
- }
- is->refresh_tid = SDL_CreateThread(refresh_thread, is);
- if(ret<0) {
- if (!display_disable)
- is->show_audio = 2;
- }
-
- if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
- stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
- }
-
- if (is->video_stream < 0 && is->audio_stream < 0) {
- fprintf(stderr, "%s: could not open codecs\n", is->filename);
- ret = -1;
- goto fail;
- }
-
- for(;;) {
- if (is->abort_request)
- break;
- if (is->paused != is->last_paused) {
- is->last_paused = is->paused;
- if (is->paused)
- is->read_pause_return= av_read_pause(ic);
- else
- av_read_play(ic);
- }
-#if CONFIG_RTSP_DEMUXER
- if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
- /* wait 10 ms to avoid trying to get another packet */
- /* XXX: horrible */
- SDL_Delay(10);
- continue;
- }
-#endif
- if (is->seek_req) {
- int64_t seek_target= is->seek_pos;
- int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
- int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
-//FIXME the +-2 is due to rounding being not done in the correct direction in generation
-// of the seek_pos/seek_rel variables
-
- ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
- if (ret < 0) {
- fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
- }else{
- if (is->audio_stream >= 0) {
- packet_queue_flush(&is->audioq);
- packet_queue_put(&is->audioq, &flush_pkt);
- }
- if (is->subtitle_stream >= 0) {
- packet_queue_flush(&is->subtitleq);
- packet_queue_put(&is->subtitleq, &flush_pkt);
- }
- if (is->video_stream >= 0) {
- packet_queue_flush(&is->videoq);
- packet_queue_put(&is->videoq, &flush_pkt);
- }
- }
- is->seek_req = 0;
- eof= 0;
- }
-
- /* if the queue are full, no need to read more */
- if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
- || ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
- && (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
- && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
- /* wait 10 ms */
- SDL_Delay(10);
- continue;
- }
- if(eof) {
- if(is->video_stream >= 0){
- av_init_packet(pkt);
- pkt->data=NULL;
- pkt->size=0;
- pkt->stream_index= is->video_stream;
- packet_queue_put(&is->videoq, pkt);
- }
- SDL_Delay(10);
- if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
- if(loop!=1 && (!loop || --loop)){
- stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
- }else if(autoexit){
- ret=AVERROR_EOF;
- goto fail;
- }
- }
- continue;
- }
- ret = av_read_frame(ic, pkt);
- if (ret < 0) {
- if (ret == AVERROR_EOF || (ic->pb && ic->pb->eof_reached))
- eof=1;
- if (ic->pb && ic->pb->error)
- break;
- SDL_Delay(100); /* wait for user event */
- continue;
- }
- /* check if packet is in play range specified by user, then queue, otherwise discard */
- pkt_in_play_range = duration == AV_NOPTS_VALUE ||
- (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
- av_q2d(ic->streams[pkt->stream_index]->time_base) -
- (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
- <= ((double)duration/1000000);
- if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
- packet_queue_put(&is->audioq, pkt);
- } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
- packet_queue_put(&is->videoq, pkt);
- } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
- packet_queue_put(&is->subtitleq, pkt);
- } else {
- av_free_packet(pkt);
- }
- }
- /* wait until the end */
- while (!is->abort_request) {
- SDL_Delay(100);
- }
-
- ret = 0;
- fail:
- /* disable interrupting */
- global_video_state = NULL;
-
- /* close each stream */
- if (is->audio_stream >= 0)
- stream_component_close(is, is->audio_stream);
- if (is->video_stream >= 0)
- stream_component_close(is, is->video_stream);
- if (is->subtitle_stream >= 0)
- stream_component_close(is, is->subtitle_stream);
- if (is->ic) {
- av_close_input_file(is->ic);
- is->ic = NULL; /* safety */
- }
- avio_set_interrupt_cb(NULL);
-
- if (ret != 0) {
- SDL_Event event;
-
- event.type = FF_QUIT_EVENT;
- event.user.data1 = is;
- SDL_PushEvent(&event);
- }
- return 0;
-}
-
-static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
-{
- VideoState *is;
-
- is = av_mallocz(sizeof(VideoState));
- if (!is)
- return NULL;
- av_strlcpy(is->filename, filename, sizeof(is->filename));
- is->iformat = iformat;
- is->ytop = 0;
- is->xleft = 0;
-
- /* start video display */
- is->pictq_mutex = SDL_CreateMutex();
- is->pictq_cond = SDL_CreateCond();
-
- is->subpq_mutex = SDL_CreateMutex();
- is->subpq_cond = SDL_CreateCond();
-
- is->av_sync_type = av_sync_type;
- is->parse_tid = SDL_CreateThread(decode_thread, is);
- if (!is->parse_tid) {
- av_free(is);
- return NULL;
- }
- return is;
-}
-
-static void stream_cycle_channel(VideoState *is, int codec_type)
-{
- AVFormatContext *ic = is->ic;
- int start_index, stream_index;
- AVStream *st;
-
- if (codec_type == AVMEDIA_TYPE_VIDEO)
- start_index = is->video_stream;
- else if (codec_type == AVMEDIA_TYPE_AUDIO)
- start_index = is->audio_stream;
- else
- start_index = is->subtitle_stream;
- if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
- return;
- stream_index = start_index;
- for(;;) {
- if (++stream_index >= is->ic->nb_streams)
- {
- if (codec_type == AVMEDIA_TYPE_SUBTITLE)
- {
- stream_index = -1;
- goto the_end;
- } else
- stream_index = 0;
- }
- if (stream_index == start_index)
- return;
- st = ic->streams[stream_index];
- if (st->codec->codec_type == codec_type) {
- /* check that parameters are OK */
- switch(codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- if (st->codec->sample_rate != 0 &&
- st->codec->channels != 0)
- goto the_end;
- break;
- case AVMEDIA_TYPE_VIDEO:
- case AVMEDIA_TYPE_SUBTITLE:
- goto the_end;
- default:
- break;
- }
- }
- }
- the_end:
- stream_component_close(is, start_index);
- stream_component_open(is, stream_index);
-}
-
-
-static void toggle_full_screen(void)
-{
- is_full_screen = !is_full_screen;
- video_open(cur_stream);
-}
-
-static void toggle_pause(void)
-{
- if (cur_stream)
- stream_pause(cur_stream);
- step = 0;
-}
-
-static void step_to_next_frame(void)
-{
- if (cur_stream) {
- /* if the stream is paused unpause it, then step */
- if (cur_stream->paused)
- stream_pause(cur_stream);
- }
- step = 1;
-}
-
-static void toggle_audio_display(void)
-{
- if (cur_stream) {
- int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
- cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
- fill_rectangle(screen,
- cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
- bgcolor);
- SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
- }
-}
-
-/* handle an event sent by the GUI */
-static void event_loop(void)
-{
- SDL_Event event;
- double incr, pos, frac;
-
- for(;;) {
- double x;
- SDL_WaitEvent(&event);
- switch(event.type) {
- case SDL_KEYDOWN:
- if (exit_on_keydown) {
- do_exit();
- break;
- }
- switch(event.key.keysym.sym) {
- case SDLK_ESCAPE:
- case SDLK_q:
- do_exit();
- break;
- case SDLK_f:
- toggle_full_screen();
- break;
- case SDLK_p:
- case SDLK_SPACE:
- toggle_pause();
- break;
- case SDLK_s: //S: Step to next frame
- step_to_next_frame();
- break;
- case SDLK_a:
- if (cur_stream)
- stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
- break;
- case SDLK_v:
- if (cur_stream)
- stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
- break;
- case SDLK_t:
- if (cur_stream)
- stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
- break;
- case SDLK_w:
- toggle_audio_display();
- break;
- case SDLK_LEFT:
- incr = -10.0;
- goto do_seek;
- case SDLK_RIGHT:
- incr = 10.0;
- goto do_seek;
- case SDLK_UP:
- incr = 60.0;
- goto do_seek;
- case SDLK_DOWN:
- incr = -60.0;
- do_seek:
- if (cur_stream) {
- if (seek_by_bytes) {
- if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
- pos= cur_stream->video_current_pos;
- }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
- pos= cur_stream->audio_pkt.pos;
- }else
- pos = avio_tell(cur_stream->ic->pb);
- if (cur_stream->ic->bit_rate)
- incr *= cur_stream->ic->bit_rate / 8.0;
- else
- incr *= 180000.0;
- pos += incr;
- stream_seek(cur_stream, pos, incr, 1);
- } else {
- pos = get_master_clock(cur_stream);
- pos += incr;
- stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
- }
- }
- break;
- default:
- break;
- }
- break;
- case SDL_MOUSEBUTTONDOWN:
- if (exit_on_mousedown) {
- do_exit();
- break;
- }
- case SDL_MOUSEMOTION:
- if(event.type ==SDL_MOUSEBUTTONDOWN){
- x= event.button.x;
- }else{
- if(event.motion.state != SDL_PRESSED)
- break;
- x= event.motion.x;
- }
- if (cur_stream) {
- if(seek_by_bytes || cur_stream->ic->duration<=0){
- uint64_t size= avio_size(cur_stream->ic->pb);
- stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
- }else{
- int64_t ts;
- int ns, hh, mm, ss;
- int tns, thh, tmm, tss;
- tns = cur_stream->ic->duration/1000000LL;
- thh = tns/3600;
- tmm = (tns%3600)/60;
- tss = (tns%60);
- frac = x/cur_stream->width;
- ns = frac*tns;
- hh = ns/3600;
- mm = (ns%3600)/60;
- ss = (ns%60);
- fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
- hh, mm, ss, thh, tmm, tss);
- ts = frac*cur_stream->ic->duration;
- if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
- ts += cur_stream->ic->start_time;
- stream_seek(cur_stream, ts, 0, 0);
- }
- }
- break;
- case SDL_VIDEORESIZE:
- if (cur_stream) {
- screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
- SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
- screen_width = cur_stream->width = event.resize.w;
- screen_height= cur_stream->height= event.resize.h;
- }
- break;
- case SDL_QUIT:
- case FF_QUIT_EVENT:
- do_exit();
- break;
- case FF_ALLOC_EVENT:
- video_open(event.user.data1);
- alloc_picture(event.user.data1);
- break;
- case FF_REFRESH_EVENT:
- video_refresh_timer(event.user.data1);
- cur_stream->refresh=0;
- break;
- default:
- break;
- }
- }
-}
-
-static int opt_frame_size(const char *opt, const char *arg)
-{
- av_log(NULL, AV_LOG_ERROR,
- "Option '%s' has been removed, use private format options instead\n", opt);
- return AVERROR(EINVAL);
-}
-
-static int opt_width(const char *opt, const char *arg)
-{
- screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
- return 0;
-}
-
-static int opt_height(const char *opt, const char *arg)
-{
- screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
- return 0;
-}
-
-static int opt_format(const char *opt, const char *arg)
-{
- file_iformat = av_find_input_format(arg);
- if (!file_iformat) {
- fprintf(stderr, "Unknown input format: %s\n", arg);
- return AVERROR(EINVAL);
- }
- return 0;
-}
-
-static int opt_frame_pix_fmt(const char *opt, const char *arg)
-{
- av_log(NULL, AV_LOG_ERROR,
- "Option '%s' has been removed, use private format options instead\n", opt);
- return AVERROR(EINVAL);
-}
-
-static int opt_sync(const char *opt, const char *arg)
-{
- if (!strcmp(arg, "audio"))
- av_sync_type = AV_SYNC_AUDIO_MASTER;
- else if (!strcmp(arg, "video"))
- av_sync_type = AV_SYNC_VIDEO_MASTER;
- else if (!strcmp(arg, "ext"))
- av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
- else {
- fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
- exit(1);
- }
- return 0;
-}
-
-static int opt_seek(const char *opt, const char *arg)
-{
- start_time = parse_time_or_die(opt, arg, 1);
- return 0;
-}
-
-static int opt_duration(const char *opt, const char *arg)
-{
- duration = parse_time_or_die(opt, arg, 1);
- return 0;
-}
-
-static int opt_debug(const char *opt, const char *arg)
-{
- av_log_set_level(99);
- debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
- return 0;
-}
-
-static int opt_vismv(const char *opt, const char *arg)
-{
- debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
- return 0;
-}
-
-static int opt_thread_count(const char *opt, const char *arg)
-{
- thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
-#if !HAVE_THREADS
- fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
-#endif
- return 0;
-}
-
-static const OptionDef options[] = {
-#include "cmdutils_common_opts.h"
- { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
- { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
- { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
- { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
- { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
- { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
- { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
- { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
- { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
- { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
- { "t", HAS_ARG, {(void*)&opt_duration}, "play \"duration\" seconds of audio/video", "duration" },
- { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
- { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
- { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
- { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
- { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
- { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
- { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
- { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
- { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
- { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
- { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
- { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
- { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
- { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
- { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
- { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
- { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
- { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
- { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
- { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
- { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
- { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
- { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
- { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
- { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
- { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
-#if CONFIG_AVFILTER
- { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
-#endif
- { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
- { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
- { "i", 0, {NULL}, "ffmpeg compatibility dummy option", ""},
- { NULL, },
-};
-
-static void show_usage(void)
-{
- printf("Simple media player\n");
- printf("usage: ffplay [options] input_file\n");
- printf("\n");
-}
-
-static void show_help(void)
-{
- av_log_set_callback(log_callback_help);
- show_usage();
- show_help_options(options, "Main options:\n",
- OPT_EXPERT, 0);
- show_help_options(options, "\nAdvanced options:\n",
- OPT_EXPERT, OPT_EXPERT);
- printf("\n");
- av_opt_show2(avcodec_opts[0], NULL,
- AV_OPT_FLAG_DECODING_PARAM, 0);
- printf("\n");
- av_opt_show2(avformat_opts, NULL,
- AV_OPT_FLAG_DECODING_PARAM, 0);
-#if !CONFIG_AVFILTER
- printf("\n");
- av_opt_show2(sws_opts, NULL,
- AV_OPT_FLAG_ENCODING_PARAM, 0);
-#endif
- printf("\nWhile playing:\n"
- "q, ESC quit\n"
- "f toggle full screen\n"
- "p, SPC pause\n"
- "a cycle audio channel\n"
- "v cycle video channel\n"
- "t cycle subtitle channel\n"
- "w show audio waves\n"
- "s activate frame-step mode\n"
- "left/right seek backward/forward 10 seconds\n"
- "down/up seek backward/forward 1 minute\n"
- "mouse click seek to percentage in file corresponding to fraction of width\n"
- );
-}
-
-static void opt_input_file(const char *filename)
-{
- if (input_filename) {
- fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
- filename, input_filename);
- exit(1);
- }
- if (!strcmp(filename, "-"))
- filename = "pipe:";
- input_filename = filename;
-}
-
-/* Called from the main */
-int main(int argc, char **argv)
-{
- int flags;
-
- av_log_set_flags(AV_LOG_SKIP_REPEATED);
-
- /* register all codecs, demux and protocols */
- avcodec_register_all();
-#if CONFIG_AVDEVICE
- avdevice_register_all();
-#endif
-#if CONFIG_AVFILTER
- avfilter_register_all();
-#endif
- av_register_all();
-
- init_opts();
-
- show_banner();
-
- parse_options(argc, argv, options, opt_input_file);
-
- if (!input_filename) {
- show_usage();
- fprintf(stderr, "An input file must be specified\n");
- fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
- exit(1);
- }
-
- if (display_disable) {
- video_disable = 1;
- }
- flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
-#if !defined(__MINGW32__) && !defined(__APPLE__)
- flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
-#endif
- if (SDL_Init (flags)) {
- fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
- exit(1);
- }
-
- if (!display_disable) {
-#if HAVE_SDL_VIDEO_SIZE
- const SDL_VideoInfo *vi = SDL_GetVideoInfo();
- fs_screen_width = vi->current_w;
- fs_screen_height = vi->current_h;
-#endif
- }
-
- SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
- SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
- SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
-
- av_init_packet(&flush_pkt);
- flush_pkt.data= "FLUSH";
-
- cur_stream = stream_open(input_filename, file_iformat);
-
- event_loop();
-
- /* never returns */
-
- return 0;
-}