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most of the interlacing is done

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This commit is contained in:
itsmattkc
2018-10-11 19:59:57 +11:00
parent 55a44685a5
commit 5a082d2a28
8 changed files with 96 additions and 69 deletions
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io/previewgenerator.cpp
+8 -1
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@@ -60,6 +60,7 @@ void PreviewGenerator::parse_media() {
}
ms->video_width = fmt_ctx->streams[i]->codecpar->width;
ms->video_height = fmt_ctx->streams[i]->codecpar->height;
ms->video_interlacing = VIDEO_PROGRESSIVE; // default value, we get the true value later in generate_waveform()
if (append) media->video_tracks.append(ms);
} else if (fmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
ms->audio_channels = fmt_ctx->streams[i]->codecpar->channels;
@@ -170,7 +171,13 @@ void PreviewGenerator::generate_waveform() {
s->video_preview = QImage(data, dstW, dstH, linesize[0], QImage::Format_RGB888);
// delete [] data;
// is video interlaced?
if (temp_frame->interlaced_frame) {
s->video_interlacing = (temp_frame->top_field_first) ? VIDEO_TOP_FIELD_FIRST : VIDEO_BOTTOM_FIELD_FIRST;
s->video_frame_rate *= 2;
} else {
s->video_interlacing = VIDEO_PROGRESSIVE;
}
s->preview_done = true;