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-rw-r--r--libavfilter/vsrc_movie.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/libavfilter/vsrc_movie.c b/libavfilter/vsrc_movie.c
deleted file mode 100644
index 0e5df327d8..0000000000
--- a/libavfilter/vsrc_movie.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright (c) 2010 Stefano Sabatini
- * Copyright (c) 2008 Victor Paesa
- *
- * 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
- */
-
-/**
- * @file
- * movie video source
- *
- * @todo use direct rendering (no allocation of a new frame)
- * @todo support a PTS correction mechanism
- * @todo support more than one output stream
- */
-
-#include <float.h>
-#include <stdint.h>
-
-#include "libavutil/attributes.h"
-#include "libavutil/avstring.h"
-#include "libavutil/opt.h"
-#include "libavutil/imgutils.h"
-#include "libavformat/avformat.h"
-#include "avfilter.h"
-#include "formats.h"
-#include "internal.h"
-#include "video.h"
-
-typedef struct MovieContext {
- const AVClass *class;
- int64_t seek_point; ///< seekpoint in microseconds
- double seek_point_d;
- char *format_name;
- char *file_name;
- int stream_index;
-
- AVFormatContext *format_ctx;
- AVCodecContext *codec_ctx;
- int is_done;
- AVFrame *frame; ///< video frame to store the decoded images in
-
- int w, h;
-} MovieContext;
-
-#define OFFSET(x) offsetof(MovieContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-
-static const AVOption movie_options[]= {
- { "filename", NULL, OFFSET(file_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "format_name", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "f", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { "stream_index", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
- { "si", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
- { "seek_point", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
- { "sp", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
- { NULL },
-};
-
-static const char *movie_get_name(void *ctx)
-{
- return "movie";
-}
-
-static const AVClass movie_class = {
- "MovieContext",
- movie_get_name,
- movie_options
-};
-
-static av_cold int movie_init(AVFilterContext *ctx)
-{
- MovieContext *movie = ctx->priv;
- AVInputFormat *iformat = NULL;
- AVCodec *codec;
- int ret;
- int64_t timestamp;
-
- av_register_all();
-
- // Try to find the movie format (container)
- iformat = movie->format_name ? av_find_input_format(movie->format_name) : NULL;
-
- movie->format_ctx = NULL;
- if ((ret = avformat_open_input(&movie->format_ctx, movie->file_name, iformat, NULL)) < 0) {
- av_log(ctx, AV_LOG_ERROR,
- "Failed to avformat_open_input '%s'\n", movie->file_name);
- return ret;
- }
- if ((ret = avformat_find_stream_info(movie->format_ctx, NULL)) < 0)
- av_log(ctx, AV_LOG_WARNING, "Failed to find stream info\n");
-
- // if seeking requested, we execute it
- if (movie->seek_point > 0) {
- timestamp = movie->seek_point;
- // add the stream start time, should it exist
- if (movie->format_ctx->start_time != AV_NOPTS_VALUE) {
- if (timestamp > INT64_MAX - movie->format_ctx->start_time) {
- av_log(ctx, AV_LOG_ERROR,
- "%s: seek value overflow with start_time:%"PRId64" seek_point:%"PRId64"\n",
- movie->file_name, movie->format_ctx->start_time, movie->seek_point);
- return AVERROR(EINVAL);
- }
- timestamp += movie->format_ctx->start_time;
- }
- if ((ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "%s: could not seek to position %"PRId64"\n",
- movie->file_name, timestamp);
- return ret;
- }
- }
-
- /* select the video stream */
- if ((ret = av_find_best_stream(movie->format_ctx, AVMEDIA_TYPE_VIDEO,
- movie->stream_index, -1, NULL, 0)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "No video stream with index '%d' found\n",
- movie->stream_index);
- return ret;
- }
- movie->stream_index = ret;
- movie->codec_ctx = movie->format_ctx->streams[movie->stream_index]->codec;
-
- /*
- * So now we've got a pointer to the so-called codec context for our video
- * stream, but we still have to find the actual codec and open it.
- */
- codec = avcodec_find_decoder(movie->codec_ctx->codec_id);
- if (!codec) {
- av_log(ctx, AV_LOG_ERROR, "Failed to find any codec\n");
- return AVERROR(EINVAL);
- }
-
- movie->codec_ctx->refcounted_frames = 1;
-
- if ((ret = avcodec_open2(movie->codec_ctx, codec, NULL)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Failed to open codec\n");
- return ret;
- }
-
- movie->w = movie->codec_ctx->width;
- movie->h = movie->codec_ctx->height;
-
- av_log(ctx, AV_LOG_VERBOSE, "seek_point:%"PRIi64" format_name:%s file_name:%s stream_index:%d\n",
- movie->seek_point, movie->format_name, movie->file_name,
- movie->stream_index);
-
- return 0;
-}
-
-static av_cold int init(AVFilterContext *ctx)
-{
- MovieContext *movie = ctx->priv;
-
- movie->seek_point = movie->seek_point_d * 1000000 + 0.5;
-
- return movie_init(ctx);
-}
-
-static av_cold void uninit(AVFilterContext *ctx)
-{
- MovieContext *movie = ctx->priv;
-
- if (movie->codec_ctx)
- avcodec_close(movie->codec_ctx);
- if (movie->format_ctx)
- avformat_close_input(&movie->format_ctx);
- av_frame_free(&movie->frame);
-}
-
-static int query_formats(AVFilterContext *ctx)
-{
- MovieContext *movie = ctx->priv;
- enum AVPixelFormat pix_fmts[] = { movie->codec_ctx->pix_fmt, AV_PIX_FMT_NONE };
-
- ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
- return 0;
-}
-
-static int config_output_props(AVFilterLink *outlink)
-{
- MovieContext *movie = outlink->src->priv;
-
- outlink->w = movie->w;
- outlink->h = movie->h;
- outlink->time_base = movie->format_ctx->streams[movie->stream_index]->time_base;
-
- return 0;
-}
-
-static int movie_get_frame(AVFilterLink *outlink)
-{
- MovieContext *movie = outlink->src->priv;
- AVPacket pkt;
- int ret, frame_decoded;
-
- if (movie->is_done == 1)
- return 0;
-
- movie->frame = av_frame_alloc();
- if (!movie->frame)
- return AVERROR(ENOMEM);
-
- while ((ret = av_read_frame(movie->format_ctx, &pkt)) >= 0) {
- // Is this a packet from the video stream?
- if (pkt.stream_index == movie->stream_index) {
- avcodec_decode_video2(movie->codec_ctx, movie->frame, &frame_decoded, &pkt);
-
- if (frame_decoded) {
- if (movie->frame->pkt_pts != AV_NOPTS_VALUE)
- movie->frame->pts = movie->frame->pkt_pts;
- av_dlog(outlink->src,
- "movie_get_frame(): file:'%s' pts:%"PRId64" time:%f aspect:%d/%d\n",
- movie->file_name, movie->frame->pts,
- (double)movie->frame->pts *
- av_q2d(movie->format_ctx->streams[movie->stream_index]->time_base),
- movie->frame->sample_aspect_ratio.num,
- movie->frame->sample_aspect_ratio.den);
- // We got it. Free the packet since we are returning
- av_free_packet(&pkt);
-
- return 0;
- }
- }
- // Free the packet that was allocated by av_read_frame
- av_free_packet(&pkt);
- }
-
- // On multi-frame source we should stop the mixing process when
- // the movie source does not have more frames
- if (ret == AVERROR_EOF)
- movie->is_done = 1;
- return ret;
-}
-
-static int request_frame(AVFilterLink *outlink)
-{
- MovieContext *movie = outlink->src->priv;
- int ret;
-
- if (movie->is_done)
- return AVERROR_EOF;
- if ((ret = movie_get_frame(outlink)) < 0)
- return ret;
-
- ret = ff_filter_frame(outlink, movie->frame);
- movie->frame = NULL;
-
- return ret;
-}
-
-static const AVFilterPad avfilter_vsrc_movie_outputs[] = {
- {
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .request_frame = request_frame,
- .config_props = config_output_props,
- },
- { NULL }
-};
-
-AVFilter ff_vsrc_movie = {
- .name = "movie",
- .description = NULL_IF_CONFIG_SMALL("Read from a movie source."),
- .priv_size = sizeof(MovieContext),
- .priv_class = &movie_class,
- .init = init,
- .uninit = uninit,
- .query_formats = query_formats,
-
- .inputs = NULL,
- .outputs = avfilter_vsrc_movie_outputs,
-};
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