From 2c18bfe6af847eb01ad37a690ba39617b712b3d9 Mon Sep 17 00:00:00 2001 From: Stephen Hutchinson Date: Mon, 28 Oct 2013 16:52:45 -0400 Subject: avisynth: Cosmetics Signed-off-by: Michael Niedermayer --- libavformat/avisynth.c | 201 ++++++++++++++++++++++++++++--------------------- 1 file changed, 116 insertions(+), 85 deletions(-) (limited to 'libavformat/avisynth.c') diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c index 4bfb51c651..60f627bb28 100644 --- a/libavformat/avisynth.c +++ b/libavformat/avisynth.c @@ -19,9 +19,9 @@ */ #include "libavutil/internal.h" +#include "libavcodec/internal.h" #include "avformat.h" #include "internal.h" -#include "libavcodec/internal.h" /* Enable function pointer definitions for runtime loading. */ #define AVSC_NO_DECLSPEC @@ -43,11 +43,11 @@ #else #include #include "compat/avisynth/avxsynth_c.h" - #if defined (__APPLE__) - #define AVISYNTH_LIB "libavxsynth.dylib" - #else - #define AVISYNTH_LIB "libavxsynth.so" - #endif + #if defined (__APPLE__) + #define AVISYNTH_LIB "libavxsynth.dylib" + #else + #define AVISYNTH_LIB "libavxsynth.so" + #endif #define LoadLibrary(x) dlopen(x, RTLD_NOW | RTLD_GLOBAL) #define GetProcAddress dlsym @@ -64,7 +64,7 @@ typedef struct { void *library; -#define AVSC_DECLARE_FUNC(name) name##_func name +#define AVSC_DECLARE_FUNC(name) name ## _func name AVSC_DECLARE_FUNC(avs_bit_blt); AVSC_DECLARE_FUNC(avs_clip_get_error); AVSC_DECLARE_FUNC(avs_create_script_environment); @@ -102,21 +102,23 @@ struct AviSynthContext { }; typedef struct AviSynthContext AviSynthContext; -static const int avs_planes_packed[1] = {0}; -static const int avs_planes_grey[1] = {AVS_PLANAR_Y}; -static const int avs_planes_yuv[3] = {AVS_PLANAR_Y, AVS_PLANAR_U, AVS_PLANAR_V}; +static const int avs_planes_packed[1] = { 0 }; +static const int avs_planes_grey[1] = { AVS_PLANAR_Y }; +static const int avs_planes_yuv[3] = { AVS_PLANAR_Y, AVS_PLANAR_U, + AVS_PLANAR_V }; /* A conflict between C++ global objects, atexit, and dynamic loading requires * us to register our own atexit handler to prevent double freeing. */ static AviSynthLibrary *avs_library = NULL; -static int avs_atexit_called = 0; +static int avs_atexit_called = 0; /* Linked list of AviSynthContexts. An atexit handler destroys this list. */ static AviSynthContext *avs_ctx_list = NULL; static av_cold void avisynth_atexit_handler(void); -static av_cold int avisynth_load_library(void) { +static av_cold int avisynth_load_library(void) +{ avs_library = av_mallocz(sizeof(AviSynthLibrary)); if (!avs_library) return AVERROR_UNKNOWN; @@ -125,12 +127,12 @@ static av_cold int avisynth_load_library(void) { if (!avs_library->library) goto init_fail; -#define LOAD_AVS_FUNC(name, continue_on_fail) \ -{ \ - avs_library->name = (void*)GetProcAddress(avs_library->library, #name); \ - if(!continue_on_fail && !avs_library->name) \ - goto fail; \ -} +#define LOAD_AVS_FUNC(name, continue_on_fail) \ + avs_library->name = \ + (void *)GetProcAddress(avs_library->library, #name); \ + if (!continue_on_fail && !avs_library->name) \ + goto fail; + LOAD_AVS_FUNC(avs_bit_blt, 0); LOAD_AVS_FUNC(avs_clip_get_error, 0); LOAD_AVS_FUNC(avs_create_script_environment, 0); @@ -160,14 +162,14 @@ init_fail: /* Note that avisynth_context_create and avisynth_context_destroy * do not allocate or free the actual context! That is taken care of * by libavformat. */ -static av_cold int avisynth_context_create(AVFormatContext *s) { +static av_cold int avisynth_context_create(AVFormatContext *s) +{ AviSynthContext *avs = (AviSynthContext *)s->priv_data; int ret; - if (!avs_library) { + if (!avs_library) if (ret = avisynth_load_library()) return ret; - } avs->env = avs_library->avs_create_script_environment(3); if (avs_library->avs_get_error) { @@ -181,16 +183,17 @@ static av_cold int avisynth_context_create(AVFormatContext *s) { if (!avs_ctx_list) { avs_ctx_list = avs; } else { - avs->next = avs_ctx_list; + avs->next = avs_ctx_list; avs_ctx_list = avs; } return 0; } -static av_cold void avisynth_context_destroy(AviSynthContext *avs) { +static av_cold void avisynth_context_destroy(AviSynthContext *avs) +{ if (avs_atexit_called) - return; + return; if (avs == avs_ctx_list) { avs_ctx_list = avs->next; @@ -211,7 +214,8 @@ static av_cold void avisynth_context_destroy(AviSynthContext *avs) { } } -static av_cold void avisynth_atexit_handler(void) { +static av_cold void avisynth_atexit_handler(void) +{ AviSynthContext *avs = avs_ctx_list; while (avs) { @@ -226,38 +230,41 @@ static av_cold void avisynth_atexit_handler(void) { } /* Create AVStream from audio and video data. */ -static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) { +static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) +{ AviSynthContext *avs = s->priv_data; int planar = 0; // 0: packed, 1: YUV, 2: Y8 st->codec->codec_type = AVMEDIA_TYPE_VIDEO; - st->codec->codec_id = CODEC_ID_RAWVIDEO; - st->codec->width = avs->vi->width; - st->codec->height = avs->vi->height; - - st->time_base = (AVRational) {avs->vi->fps_denominator, avs->vi->fps_numerator}; - st->avg_frame_rate = (AVRational) {avs->vi->fps_numerator, avs->vi->fps_denominator}; - st->start_time = 0; - st->duration = avs->vi->num_frames; - st->nb_frames = avs->vi->num_frames; + st->codec->codec_id = CODEC_ID_RAWVIDEO; + st->codec->width = avs->vi->width; + st->codec->height = avs->vi->height; + + st->time_base = (AVRational) { avs->vi->fps_denominator, + avs->vi->fps_numerator }; + st->avg_frame_rate = (AVRational) { avs->vi->fps_numerator, + avs->vi->fps_denominator }; + st->start_time = 0; + st->duration = avs->vi->num_frames; + st->nb_frames = avs->vi->num_frames; switch (avs->vi->pixel_type) { #ifdef USING_AVISYNTH case AVS_CS_YV24: st->codec->pix_fmt = AV_PIX_FMT_YUV444P; - planar = 1; + planar = 1; break; case AVS_CS_YV16: st->codec->pix_fmt = AV_PIX_FMT_YUV422P; - planar = 1; + planar = 1; break; case AVS_CS_YV411: st->codec->pix_fmt = AV_PIX_FMT_YUV411P; - planar = 1; + planar = 1; break; case AVS_CS_Y8: st->codec->pix_fmt = AV_PIX_FMT_GRAY8; - planar = 2; + planar = 2; break; #endif case AVS_CS_BGR24: @@ -271,14 +278,15 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) { break; case AVS_CS_YV12: st->codec->pix_fmt = AV_PIX_FMT_YUV420P; - planar = 1; + planar = 1; break; case AVS_CS_I420: // Is this even used anywhere? st->codec->pix_fmt = AV_PIX_FMT_YUV420P; - planar = 1; + planar = 1; break; default: - av_log(s, AV_LOG_ERROR, "unknown AviSynth colorspace %d\n", avs->vi->pixel_type); + av_log(s, AV_LOG_ERROR, + "unknown AviSynth colorspace %d\n", avs->vi->pixel_type); avs->error = 1; return AVERROR_UNKNOWN; } @@ -286,26 +294,28 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) { switch (planar) { case 2: // Y8 avs->n_planes = 1; - avs->planes = avs_planes_grey; + avs->planes = avs_planes_grey; break; case 1: // YUV avs->n_planes = 3; - avs->planes = avs_planes_yuv; + avs->planes = avs_planes_yuv; break; default: avs->n_planes = 1; - avs->planes = avs_planes_packed; + avs->planes = avs_planes_packed; } return 0; } -static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st) { +static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st) +{ AviSynthContext *avs = s->priv_data; - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; + st->codec->codec_type = AVMEDIA_TYPE_AUDIO; st->codec->sample_rate = avs->vi->audio_samples_per_second; - st->codec->channels = avs->vi->nchannels; - st->time_base = (AVRational) {1, avs->vi->audio_samples_per_second}; + st->codec->channels = avs->vi->nchannels; + st->time_base = (AVRational) { 1, + avs->vi->audio_samples_per_second }; switch (avs->vi->sample_type) { case AVS_SAMPLE_INT8: @@ -324,14 +334,16 @@ static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st) { st->codec->codec_id = CODEC_ID_PCM_F32LE; break; default: - av_log(s, AV_LOG_ERROR, "unknown AviSynth sample type %d\n", avs->vi->sample_type); + av_log(s, AV_LOG_ERROR, + "unknown AviSynth sample type %d\n", avs->vi->sample_type); avs->error = 1; return AVERROR_UNKNOWN; } return 0; } -static int avisynth_create_stream(AVFormatContext *s) { +static int avisynth_create_stream(AVFormatContext *s) +{ AviSynthContext *avs = s->priv_data; AVStream *st; int ret; @@ -356,7 +368,8 @@ static int avisynth_create_stream(AVFormatContext *s) { return 0; } -static int avisynth_open_file(AVFormatContext *s) { +static int avisynth_open_file(AVFormatContext *s) +{ AviSynthContext *avs = (AviSynthContext *)s->priv_data; AVS_Value arg, val; int ret; @@ -371,7 +384,8 @@ static int avisynth_open_file(AVFormatContext *s) { #ifdef USING_AVISYNTH /* Convert UTF-8 to ANSI code page */ MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4); - WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi, MAX_PATH * 4, NULL, NULL); + WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi, + MAX_PATH * 4, NULL, NULL); arg = avs_new_value_string(filename_ansi); #else arg = avs_new_value_string(s->filename); @@ -389,7 +403,7 @@ static int avisynth_open_file(AVFormatContext *s) { } avs->clip = avs_library->avs_take_clip(val, avs->env); - avs->vi = avs_library->avs_get_video_info(avs->clip); + avs->vi = avs_library->avs_get_video_info(avs->clip); /* Release the AVS_Value as it will go out of scope. */ avs_library->avs_release_value(val); @@ -404,7 +418,9 @@ fail: return ret; } -static void avisynth_next_stream(AVFormatContext *s, AVStream **st, AVPacket *pkt, int *discard) { +static void avisynth_next_stream(AVFormatContext *s, AVStream **st, + AVPacket *pkt, int *discard) +{ AviSynthContext *avs = s->priv_data; pkt->stream_index = avs->curr_stream++; @@ -420,7 +436,9 @@ static void avisynth_next_stream(AVFormatContext *s, AVStream **st, AVPacket *pk } /* Copy AviSynth clip data into an AVPacket. */ -static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int discard) { +static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, + int discard) +{ AviSynthContext *avs = s->priv_data; AVS_VideoFrame *frame; unsigned char *dst_p; @@ -436,26 +454,26 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int dis if (discard) return 0; - pkt->pts = n; - pkt->dts = n; + pkt->pts = n; + pkt->dts = n; pkt->duration = 1; // Define the bpp values for the new AviSynth 2.6 colorspaces - if (avs_is_yv24(avs->vi)) { + if (avs_is_yv24(avs->vi)) bits = 24; - } else if (avs_is_yv16(avs->vi)) { + else if (avs_is_yv16(avs->vi)) bits = 16; - } else if (avs_is_yv411(avs->vi)) { + else if (avs_is_yv411(avs->vi)) bits = 12; - } else if (avs_is_y8(avs->vi)) { + else if (avs_is_y8(avs->vi)) bits = 8; - } else { + else bits = avs_bits_per_pixel(avs->vi); - } /* Without the cast to int64_t, calculation overflows at about 9k x 9k * resolution. */ - pkt->size = (((int64_t)avs->vi->width * (int64_t)avs->vi->height) * bits) / 8; + pkt->size = (((int64_t)avs->vi->width * + (int64_t)avs->vi->height) * bits) / 8; if (!pkt->size) return AVERROR_UNKNOWN; pkt->data = av_malloc(pkt->size); @@ -479,14 +497,14 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int dis #ifdef USING_AVISYNTH if (avs_library->avs_get_version(avs->clip) == 3) { - rowsize = avs_get_row_size_p_25(frame, plane); + rowsize = avs_get_row_size_p_25(frame, plane); planeheight = avs_get_height_p_25(frame, plane); } else { - rowsize = avs_get_row_size_p(frame, plane); + rowsize = avs_get_row_size_p(frame, plane); planeheight = avs_get_height_p(frame, plane); } #else - rowsize = avs_get_row_size_p(frame, plane); + rowsize = avs_get_row_size_p(frame, plane); planeheight = avs_get_height_p(frame, plane); #endif @@ -496,7 +514,8 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int dis pitch = -pitch; } - avs_library->avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch, rowsize, planeheight); + avs_library->avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch, + rowsize, planeheight); dst_p += rowsize * planeheight; } @@ -504,7 +523,9 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt, int dis return 0; } -static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int discard) { +static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, + int discard) +{ AviSynthContext *avs = s->priv_data; AVRational fps, samplerate; int samples; @@ -514,14 +535,15 @@ static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int dis if (avs->curr_sample >= avs->vi->num_audio_samples) return AVERROR_EOF; - fps.num = avs->vi->fps_numerator; - fps.den = avs->vi->fps_denominator; + fps.num = avs->vi->fps_numerator; + fps.den = avs->vi->fps_denominator; samplerate.num = avs->vi->audio_samples_per_second; samplerate.den = 1; if (avs_has_video(avs->vi)) { if (avs->curr_frame < avs->vi->num_frames) - samples = av_rescale_q(avs->curr_frame, samplerate, fps) - avs->curr_sample; + samples = av_rescale_q(avs->curr_frame, samplerate, fps) - + avs->curr_sample; else samples = av_rescale_q(1, samplerate, fps); } else { @@ -539,16 +561,17 @@ static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int dis samples = avs->vi->num_audio_samples - avs->curr_sample; /* This must happen even if the stream is discarded to prevent desync. */ - n = avs->curr_sample; + n = avs->curr_sample; avs->curr_sample += samples; if (discard) return 0; - pkt->pts = n; - pkt->dts = n; + pkt->pts = n; + pkt->dts = n; pkt->duration = samples; - pkt->size = avs_bytes_per_channel_sample(avs->vi) * samples * avs->vi->nchannels; + pkt->size = avs_bytes_per_channel_sample(avs->vi) * + samples * avs->vi->nchannels; if (!pkt->size) return AVERROR_UNKNOWN; pkt->data = av_malloc(pkt->size); @@ -566,7 +589,8 @@ static int avisynth_read_packet_audio(AVFormatContext *s, AVPacket *pkt, int dis return 0; } -static av_cold int avisynth_read_header(AVFormatContext *s) { +static av_cold int avisynth_read_header(AVFormatContext *s) +{ int ret; // Calling library must implement a lock for thread-safe opens. @@ -582,7 +606,8 @@ static av_cold int avisynth_read_header(AVFormatContext *s) { return 0; } -static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) { +static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) +{ AviSynthContext *avs = s->priv_data; AVStream *st; int discard = 0; @@ -613,7 +638,8 @@ static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt) { } } -static av_cold int avisynth_read_close(AVFormatContext *s) { +static av_cold int avisynth_read_close(AVFormatContext *s) +{ if (avpriv_lock_avformat()) return AVERROR_UNKNOWN; @@ -622,7 +648,9 @@ static av_cold int avisynth_read_close(AVFormatContext *s) { return 0; } -static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { +static int avisynth_read_seek(AVFormatContext *s, int stream_index, + int64_t timestamp, int flags) +{ AviSynthContext *avs = s->priv_data; AVStream *st; AVRational fps, samplerate; @@ -630,13 +658,16 @@ static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t time if (avs->error) return AVERROR_UNKNOWN; - fps = (AVRational) {avs->vi->fps_numerator, avs->vi->fps_denominator}; - samplerate = (AVRational) {avs->vi->audio_samples_per_second, 1}; + fps = (AVRational) { avs->vi->fps_numerator, + avs->vi->fps_denominator }; + samplerate = (AVRational) { avs->vi->audio_samples_per_second, 1 }; st = s->streams[stream_index]; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { /* AviSynth frame counts are signed int. */ - if ((timestamp >= avs->vi->num_frames) || (timestamp > INT_MAX) || (timestamp < 0)) + if ((timestamp >= avs->vi->num_frames) || + (timestamp > INT_MAX) || + (timestamp < 0)) return AVERROR_EOF; avs->curr_frame = timestamp; if (avs_has_audio(avs->vi)) @@ -646,7 +677,7 @@ static int avisynth_read_seek(AVFormatContext *s, int stream_index, int64_t time return AVERROR_EOF; /* Force frame granularity for seeking. */ if (avs_has_video(avs->vi)) { - avs->curr_frame = av_rescale_q(timestamp, fps, samplerate); + avs->curr_frame = av_rescale_q(timestamp, fps, samplerate); avs->curr_sample = av_rescale_q(avs->curr_frame, samplerate, fps); } else { avs->curr_sample = timestamp; -- cgit v1.2.3