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avfilter/lavfutils: remove usage of AVStream->codec

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-08-30 02:07:00 -03:00
parent 837c55e072
commit 9a174d203a
1 changed files with 17 additions and 3 deletions
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20
libavfilter/lavfutils.c
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@ -29,6 +29,7 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
AVFormatContext *format_ctx = NULL;
AVCodec *codec;
AVCodecContext *codec_ctx;
AVCodecParameters *par;
AVFrame *frame;
int frame_decoded, ret = 0;
AVPacket pkt;
@ -50,14 +51,27 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
return ret;
}
codec_ctx = format_ctx->streams[0]->codec;
codec = avcodec_find_decoder(codec_ctx->codec_id);
par = format_ctx->streams[0]->codecpar;
codec = avcodec_find_decoder(par->codec_id);
if (!codec) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to find codec\n");
ret = AVERROR(EINVAL);
goto end;
}
codec_ctx = avcodec_alloc_context3(codec);
if (!codec_ctx) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to alloc video decoder context\n");
ret = AVERROR(ENOMEM);
goto end;
}
ret = avcodec_parameters_to_context(codec_ctx, par);
if (ret < 0) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to copy codec parameters to decoder context\n");
goto end;
}
av_dict_set(&opt, "thread_type", "slice", 0);
if ((ret = avcodec_open2(codec_ctx, codec, &opt)) < 0) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to open codec\n");
@ -96,7 +110,7 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
end:
av_packet_unref(&pkt);
avcodec_close(codec_ctx);
avcodec_free_context(&codec_ctx);
avformat_close_input(&format_ctx);
av_frame_free(&frame);
av_dict_free(&opt);