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avviddec: Implement SKIP and new SKIP_KEY_UNITS_ONLY flags

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Respect any skip flags set in the incoming segment.

https://bugzilla.gnome.org/show_bug.cgi?id=735666
This commit is contained in:
Jan Schmidt 2014-12-11 21:07:44 +11:00
parent 99fb9bb207
commit 5758e82eaf
1 changed files with 22 additions and 10 deletions
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12
ext/libav/gstavviddec.c
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@ -1072,12 +1072,22 @@ gst_ffmpegviddec_do_qos (GstFFMpegVidDec * ffmpegdec,
GstVideoCodecFrame * frame, gboolean * mode_switch)
{
GstClockTimeDiff diff;
GstSegmentFlags skip_flags =
GST_VIDEO_DECODER_INPUT_SEGMENT (ffmpegdec).flags;
*mode_switch = FALSE;
if (frame == NULL)
return;
if (skip_flags & GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS) {
ffmpegdec->context->skip_frame = AVDISCARD_NONKEY;
*mode_switch = TRUE;
} else if (skip_flags & GST_SEGMENT_FLAG_TRICKMODE) {
ffmpegdec->context->skip_frame = AVDISCARD_NONREF;
*mode_switch = TRUE;
}
diff =
gst_video_decoder_get_max_decode_time (GST_VIDEO_DECODER (ffmpegdec),
frame);
@ -1088,6 +1098,7 @@ gst_ffmpegviddec_do_qos (GstFFMpegVidDec * ffmpegdec,
GST_DEBUG_OBJECT (ffmpegdec, "decoding time %" G_GINT64_FORMAT, diff);
if (*mode_switch == FALSE) {
if (diff > 0 && ffmpegdec->context->skip_frame != AVDISCARD_DEFAULT) {
ffmpegdec->context->skip_frame = AVDISCARD_DEFAULT;
*mode_switch = TRUE;
@ -1101,6 +1112,7 @@ gst_ffmpegviddec_do_qos (GstFFMpegVidDec * ffmpegdec,
"QOS: hurry up, diff %" G_GINT64_FORMAT " >= 0", diff);
}
}
}
/* get an outbuf buffer with the current picture */
static GstFlowReturn