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Code Issues Releases Activity

ffplay: move pts calculating code to generic decoder

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2014-09-04 01:59:34 +02:00
parent 9e0d1c00b5
commit 1f5a3cf688
1 changed files with 37 additions and 30 deletions
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67
ffplay.c
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@ -187,6 +187,10 @@ typedef struct Decoder {
int flushed;
int packet_pending;
SDL_cond *empty_queue_cond;
int64_t start_pts;
AVRational start_pts_tb;
int64_t next_pts;
AVRational next_pts_tb;
} Decoder;
typedef struct VideoState {
@ -249,7 +253,6 @@ typedef struct VideoState {
int frame_drops_early;
int frame_drops_late;
AVFrame *frame;
int64_t audio_frame_next_pts;
enum ShowMode {
SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
@ -540,10 +543,12 @@ static void decoder_init(Decoder *d, AVCodecContext *avctx, PacketQueue *queue,
d->avctx = avctx;
d->queue = queue;
d->empty_queue_cond = empty_queue_cond;
d->start_pts = AV_NOPTS_VALUE;
}
static int decoder_decode_frame(Decoder *d, void *fframe) {
int got_frame = 0;
AVFrame *frame = fframe;
d->flushed = 0;
@ -564,6 +569,8 @@ static int decoder_decode_frame(Decoder *d, void *fframe) {
avcodec_flush_buffers(d->avctx);
d->finished = 0;
d->flushed = 1;
d->next_pts = d->start_pts;
d->next_pts_tb = d->start_pts_tb;
}
} while (pkt.data == flush_pkt.data || d->queue->serial != d->pkt_serial);
av_free_packet(&d->pkt);
@ -573,10 +580,32 @@ static int decoder_decode_frame(Decoder *d, void *fframe) {
switch (d->avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_decode_video2(d->avctx, fframe, &got_frame, &d->pkt_temp);
ret = avcodec_decode_video2(d->avctx, frame, &got_frame, &d->pkt_temp);
if (got_frame) {
if (decoder_reorder_pts == -1) {
frame->pts = av_frame_get_best_effort_timestamp(frame);
} else if (decoder_reorder_pts) {
frame->pts = frame->pkt_pts;
} else {
frame->pts = frame->pkt_dts;
}
}
break;
case AVMEDIA_TYPE_AUDIO:
ret = avcodec_decode_audio4(d->avctx, fframe, &got_frame, &d->pkt_temp);
ret = avcodec_decode_audio4(d->avctx, frame, &got_frame, &d->pkt_temp);
if (got_frame) {
AVRational tb = (AVRational){1, frame->sample_rate};
if (frame->pts != AV_NOPTS_VALUE)
frame->pts = av_rescale_q(frame->pts, d->avctx->time_base, tb);
else if (frame->pkt_pts != AV_NOPTS_VALUE)
frame->pts = av_rescale_q(frame->pkt_pts, d->avctx->pkt_timebase, tb);
else if (d->next_pts != AV_NOPTS_VALUE)
frame->pts = av_rescale_q(d->next_pts, d->next_pts_tb, tb);
if (frame->pts != AV_NOPTS_VALUE) {
d->next_pts = frame->pts + frame->nb_samples;
d->next_pts_tb = tb;
}
}
break;
case AVMEDIA_TYPE_SUBTITLE:
ret = avcodec_decode_subtitle2(d->avctx, fframe, &got_frame, &d->pkt_temp);
@ -1840,14 +1869,6 @@ static int get_video_frame(VideoState *is, AVFrame *frame)
if (got_picture) {
double dpts = NAN;
if (decoder_reorder_pts == -1) {
frame->pts = av_frame_get_best_effort_timestamp(frame);
} else if (decoder_reorder_pts) {
frame->pts = frame->pkt_pts;
} else {
frame->pts = frame->pkt_dts;
}
if (frame->pts != AV_NOPTS_VALUE)
dpts = av_q2d(is->video_st->time_base) * frame->pts;
@ -2301,7 +2322,6 @@ static int synchronize_audio(VideoState *is, int nb_samples)
*/
static int audio_decode_frame(VideoState *is)
{
AVCodecContext *dec = is->audio_st->codec;
int data_size, resampled_data_size;
int64_t dec_channel_layout;
int got_frame = 0;
@ -2329,19 +2349,6 @@ static int audio_decode_frame(VideoState *is)
if (!is->audio_buf_frames_pending) {
got_frame = 0;
tb = (AVRational){1, is->frame->sample_rate};
if (is->frame->pts != AV_NOPTS_VALUE)
is->frame->pts = av_rescale_q(is->frame->pts, dec->time_base, tb);
else if (is->frame->pkt_pts != AV_NOPTS_VALUE)
is->frame->pts = av_rescale_q(is->frame->pkt_pts, is->audio_st->time_base, tb);
else if (is->audio_frame_next_pts != AV_NOPTS_VALUE)
#if CONFIG_AVFILTER
is->frame->pts = av_rescale_q(is->audio_frame_next_pts, (AVRational){1, is->audio_filter_src.freq}, tb);
#else
is->frame->pts = av_rescale_q(is->audio_frame_next_pts, (AVRational){1, is->audio_src.freq}, tb);
#endif
if (is->frame->pts != AV_NOPTS_VALUE)
is->audio_frame_next_pts = is->frame->pts + is->frame->nb_samples;
#if CONFIG_AVFILTER
dec_channel_layout = get_valid_channel_layout(is->frame->channel_layout, av_frame_get_channels(is->frame));
@ -2479,12 +2486,8 @@ static int audio_decode_frame(VideoState *is)
if ((got_frame = decoder_decode_frame(&is->auddec, is->frame)) < 0)
return -1;
if (is->auddec.flushed) {
if (is->auddec.flushed)
is->audio_buf_frames_pending = 0;
is->audio_frame_next_pts = AV_NOPTS_VALUE;
if ((is->ic->iformat->flags & (AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK)) && !is->ic->iformat->read_seek)
is->audio_frame_next_pts = is->audio_st->start_time;
}
}
}
@ -2706,6 +2709,10 @@ static int stream_component_open(VideoState *is, int stream_index)
packet_queue_start(&is->audioq);
decoder_init(&is->auddec, avctx, &is->audioq, is->continue_read_thread);
if ((is->ic->iformat->flags & (AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK)) && !is->ic->iformat->read_seek) {
is->auddec.start_pts = is->audio_st->start_time;
is->auddec.start_pts_tb = is->audio_st->time_base;
}
SDL_PauseAudio(0);
break;
case AVMEDIA_TYPE_VIDEO: