void
video_deliver_frame_avctx(video_decoder_t *vd,
media_pipe_t *mp, media_queue_t *mq,
AVCodecContext *ctx, AVFrame *frame,
const media_buf_t *mb, int decode_time)
{
frame_info_t fi;
if(mb->mb_time != AV_NOPTS_VALUE)
mp_set_current_time(mp, mb->mb_time);
/* Compute aspect ratio */
switch(mb->mb_aspect_override) {
case 0:
if(frame->pan_scan != NULL && frame->pan_scan->width != 0) {
fi.dar.num = frame->pan_scan->width;
fi.dar.den = frame->pan_scan->height;
} else {
fi.dar.num = ctx->width;
fi.dar.den = ctx->height;
}
if(ctx->sample_aspect_ratio.num)
fi.dar = av_mul_q(fi.dar, ctx->sample_aspect_ratio);
break;
case 1:
fi.dar = (AVRational){4,3};
break;
case 2:
fi.dar = (AVRational){16,9};
break;
}
int64_t pts = mb->mb_pts;
/* Compute duration and PTS of frame */
if(pts == AV_NOPTS_VALUE && mb->mb_dts != AV_NOPTS_VALUE &&
(ctx->has_b_frames == 0 || frame->pict_type == FF_B_TYPE)) {
pts = mb->mb_dts;
}
int duration = mb->mb_duration;
if(!vd_valid_duration(duration)) {
/* duration is zero or very invalid, use duration from last output */
duration = vd->vd_estimated_duration;
}
if(pts == AV_NOPTS_VALUE && vd->vd_nextpts != AV_NOPTS_VALUE)
pts = vd->vd_nextpts; /* no pts set, use estimated pts */
if(pts != AV_NOPTS_VALUE && vd->vd_prevpts != AV_NOPTS_VALUE) {
/* we know PTS of a prior frame */
int64_t t = (pts - vd->vd_prevpts) / vd->vd_prevpts_cnt;
if(vd_valid_duration(t)) {
/* inter frame duration seems valid, store it */
vd->vd_estimated_duration = t;
if(duration == 0)
duration = t;
} else if(t < 0 || t > 10000000LL) {
/* PTS discontinuity, use estimated PTS from last output instead */
pts = vd->vd_nextpts;
}
}
duration += frame->repeat_pict * duration / 2;
if(pts != AV_NOPTS_VALUE) {
vd->vd_prevpts = pts;
vd->vd_prevpts_cnt = 0;
}
vd->vd_prevpts_cnt++;
if(duration == 0) {
TRACE(TRACE_DEBUG, "Video", "Dropping frame with duration = 0");
return;
}
prop_set_int(mq->mq_prop_too_slow, decode_time > duration);
if(pts != AV_NOPTS_VALUE) {
vd->vd_nextpts = pts + duration;
} else {
vd->vd_nextpts = AV_NOPTS_VALUE;
}
vd->vd_interlaced |=
frame->interlaced_frame && !mb->mb_disable_deinterlacer;
fi.width = ctx->width;
fi.height = ctx->height;
fi.pix_fmt = ctx->pix_fmt;
fi.pts = pts;
fi.epoch = mb->mb_epoch;
fi.duration = duration;
fi.interlaced = !!vd->vd_interlaced;
fi.tff = !!frame->top_field_first;
fi.prescaled = 0;
fi.color_space = ctx->colorspace;
fi.color_range = ctx->color_range;
video_deliver_frame(vd, FRAME_BUFFER_TYPE_LIBAV_FRAME, frame, &fi,
mb->mb_send_pts);
}
static void
libav_deliver_frame(video_decoder_t *vd,
media_pipe_t *mp, media_queue_t *mq,
AVCodecContext *ctx, AVFrame *frame,
const media_buf_meta_t *mbm, int decode_time,
const media_codec_t *mc)
{
frame_info_t fi;
/* Compute aspect ratio */
switch(mbm->mbm_aspect_override) {
case 0:
fi.fi_dar_num = frame->width;
fi.fi_dar_den = frame->height;
if(frame->sample_aspect_ratio.num) {
fi.fi_dar_num *= frame->sample_aspect_ratio.num;
fi.fi_dar_den *= frame->sample_aspect_ratio.den;
} else if(mc->sar_num) {
fi.fi_dar_num *= mc->sar_num;
fi.fi_dar_den *= mc->sar_den;
}
break;
case 1:
fi.fi_dar_num = 4;
fi.fi_dar_den = 3;
break;
case 2:
fi.fi_dar_num = 16;
fi.fi_dar_den = 9;
break;
}
int64_t pts = video_decoder_infer_pts(mbm, vd,
frame->pict_type == AV_PICTURE_TYPE_B);
int duration = mbm->mbm_duration;
if(!vd_valid_duration(duration)) {
/* duration is zero or very invalid, use duration from last output */
duration = vd->vd_estimated_duration;
}
if(pts == AV_NOPTS_VALUE && vd->vd_nextpts != AV_NOPTS_VALUE)
pts = vd->vd_nextpts; /* no pts set, use estimated pts */
if(pts != AV_NOPTS_VALUE && vd->vd_prevpts != AV_NOPTS_VALUE) {
/* we know PTS of a prior frame */
int64_t t = (pts - vd->vd_prevpts) / vd->vd_prevpts_cnt;
if(vd_valid_duration(t)) {
/* inter frame duration seems valid, store it */
vd->vd_estimated_duration = t;
if(duration == 0)
duration = t;
}
}
duration += frame->repeat_pict * duration / 2;
if(pts != AV_NOPTS_VALUE) {
vd->vd_prevpts = pts;
vd->vd_prevpts_cnt = 0;
}
vd->vd_prevpts_cnt++;
if(duration == 0) {
TRACE(TRACE_DEBUG, "Video", "Dropping frame with duration = 0");
return;
}
prop_set_int(mq->mq_prop_too_slow, decode_time > duration);
if(pts != AV_NOPTS_VALUE) {
vd->vd_nextpts = pts + duration;
} else {
vd->vd_nextpts = AV_NOPTS_VALUE;
}
#if 0
static int64_t lastpts = AV_NOPTS_VALUE;
if(lastpts != AV_NOPTS_VALUE) {
printf("DEC: %20"PRId64" : %-20"PRId64" %d %"PRId64" %6d %d\n", pts, pts - lastpts, mbm->mbm_drive_clock,
mbm->mbm_delta, duration, mbm->mbm_sequence);
if(pts - lastpts > 1000000) {
abort();
}
}
lastpts = pts;
#endif
vd->vd_interlaced |=
frame->interlaced_frame && !mbm->mbm_disable_deinterlacer;
fi.fi_width = frame->width;
fi.fi_height = frame->height;
fi.fi_pts = pts;
fi.fi_epoch = mbm->mbm_epoch;
fi.fi_delta = mbm->mbm_delta;
fi.fi_duration = duration;
fi.fi_drive_clock = mbm->mbm_drive_clock;
fi.fi_interlaced = !!vd->vd_interlaced;
fi.fi_tff = !!frame->top_field_first;
fi.fi_prescaled = 0;
fi.fi_color_space =
ctx->colorspace < ARRAYSIZE(libav_colorspace_tbl) ?
libav_colorspace_tbl[ctx->colorspace] : 0;
fi.fi_type = 'LAVC';
// Check if we should skip directly to convert code
if(vd->vd_convert_width != frame->width ||
vd->vd_convert_height != frame->height ||
vd->vd_convert_pixfmt != frame->format) {
// Nope, go ahead and deliver frame as-is
fi.fi_data[0] = frame->data[0];
fi.fi_data[1] = frame->data[1];
fi.fi_data[2] = frame->data[2];
fi.fi_pitch[0] = frame->linesize[0];
fi.fi_pitch[1] = frame->linesize[1];
fi.fi_pitch[2] = frame->linesize[2];
fi.fi_pix_fmt = frame->format;
fi.fi_avframe = frame;
int r = video_deliver_frame(vd, &fi);
/* return value
* 0 = OK
* 1 = Need convert to YUV420P
* -1 = Fail
*/
if(r != 1)
return;
}
// Need to convert frame
vd->vd_sws =
sws_getCachedContext(vd->vd_sws,
frame->width, frame->height, frame->format,
frame->width, frame->height, PIX_FMT_YUV420P,
0, NULL, NULL, NULL);
if(vd->vd_sws == NULL) {
TRACE(TRACE_ERROR, "Video", "Unable to convert from %s to %s",
av_get_pix_fmt_name(frame->format),
av_get_pix_fmt_name(PIX_FMT_YUV420P));
return;
}
if(vd->vd_convert_width != frame->width ||
vd->vd_convert_height != frame->height ||
vd->vd_convert_pixfmt != frame->format) {
avpicture_free(&vd->vd_convert);
vd->vd_convert_width = frame->width;
vd->vd_convert_height = frame->height;
vd->vd_convert_pixfmt = frame->format;
avpicture_alloc(&vd->vd_convert, PIX_FMT_YUV420P, frame->width,
frame->height);
TRACE(TRACE_DEBUG, "Video", "Converting from %s to %s",
av_get_pix_fmt_name(frame->format),
av_get_pix_fmt_name(PIX_FMT_YUV420P));
}
sws_scale(vd->vd_sws, (void *)frame->data, frame->linesize, 0,
frame->height, vd->vd_convert.data, vd->vd_convert.linesize);
fi.fi_data[0] = vd->vd_convert.data[0];
fi.fi_data[1] = vd->vd_convert.data[1];
fi.fi_data[2] = vd->vd_convert.data[2];
fi.fi_pitch[0] = vd->vd_convert.linesize[0];
fi.fi_pitch[1] = vd->vd_convert.linesize[1];
fi.fi_pitch[2] = vd->vd_convert.linesize[2];
fi.fi_type = 'LAVC';
fi.fi_pix_fmt = PIX_FMT_YUV420P;
fi.fi_avframe = NULL;
video_deliver_frame(vd, &fi);
}