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improved still image detection

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itsmattkc
2018-11-02 21:53:46 +11:00
parent ffd044f4a7
commit d7f6e0cb9f
1 changed files with 2 additions and 1 deletions
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io/previewgenerator.cpp
+2 -1
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@@ -72,8 +72,9 @@ void PreviewGenerator::parse_media() {
dout << "nb_frames was:" << fmt_ctx->streams[i]->nb_frames;
dout << "duration was:" << fmt_ctx->streams[i]->duration << "OR fmt_ctx's duration is:" << fmt_ctx->duration;
// heuristic to determine if video is a still image
if (fmt_ctx->streams[i]->avg_frame_rate.den == 0
&& fmt_ctx->streams[i]->duration == AV_NOPTS_VALUE) { // source is LIKELY a still image
&& fmt_ctx->streams[i]->codecpar->codec_id != AV_CODEC_ID_DNXHD) { // silly hack but this is the only scenario i've seen this
ms->infinite_length = true;
contains_still_image = true;
ms->video_frame_rate = 0;