AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
};
+typedef struct Decoder {
+ AVPacket pkt;
+ AVPacket pkt_temp;
+ PacketQueue *queue;
+ AVCodecContext *avctx;
+ int pkt_serial;
+ int finished;
+ 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 {
SDL_Thread *read_tid;
SDL_Thread *video_tid;
int read_pause_return;
AVFormatContext *ic;
int realtime;
- int audio_finished;
- int video_finished;
Clock audclk;
Clock vidclk;
FrameQueue pictq;
FrameQueue subpq;
+ Decoder auddec;
+ Decoder viddec;
+ Decoder subdec;
+
int audio_stream;
int av_sync_type;
int audio_buf_index; /* in bytes */
int audio_write_buf_size;
int audio_buf_frames_pending;
- AVPacket audio_pkt_temp;
- AVPacket audio_pkt;
- int audio_pkt_temp_serial;
int audio_last_serial;
struct AudioParams audio_src;
#if CONFIG_AVFILTER
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
int video_stream;
AVStream *video_st;
PacketQueue videoq;
- int64_t video_current_pos; // current displayed file pos
double max_frame_duration; // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity
#if !CONFIG_AVFILTER
struct SwsContext *img_convert_ctx;
return ret;
}
+static void decoder_init(Decoder *d, AVCodecContext *avctx, PacketQueue *queue, SDL_cond *empty_queue_cond) {
+ memset(d, 0, sizeof(Decoder));
+ 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;
+
+ do {
+ int ret = -1;
+
+ if (d->queue->abort_request)
+ return -1;
+
+ if (!d->packet_pending || d->queue->serial != d->pkt_serial) {
+ AVPacket pkt;
+ do {
+ if (d->queue->nb_packets == 0)
+ SDL_CondSignal(d->empty_queue_cond);
+ if (packet_queue_get(d->queue, &pkt, 1, &d->pkt_serial) < 0)
+ return -1;
+ if (pkt.data == flush_pkt.data) {
+ 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);
+ d->pkt_temp = d->pkt = pkt;
+ d->packet_pending = 1;
+ }
+
+ switch (d->avctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ 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, 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, av_codec_get_pkt_timebase(d->avctx), 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);
+ break;
+ }
+
+ if (ret < 0) {
+ d->packet_pending = 0;
+ } else {
+ d->pkt_temp.dts =
+ d->pkt_temp.pts = AV_NOPTS_VALUE;
+ if (d->pkt_temp.data) {
+ if (d->avctx->codec_type != AVMEDIA_TYPE_AUDIO)
+ ret = d->pkt_temp.size;
+ d->pkt_temp.data += ret;
+ d->pkt_temp.size -= ret;
+ if (d->pkt_temp.size <= 0)
+ d->packet_pending = 0;
+ } else {
+ if (!got_frame) {
+ d->packet_pending = 0;
+ d->finished = d->pkt_serial;
+ }
+ }
+ }
+ } while (!got_frame && !d->finished);
+
+ return got_frame;
+}
+
+static void decoder_destroy(Decoder *d) {
+ av_free_packet(&d->pkt);
+}
+
static void frame_queue_unref_item(Frame *vp)
{
av_frame_unref(vp->frame);
return f->size - f->rindex_shown;
}
+/* return last shown position */
+static int64_t frame_queue_last_pos(FrameQueue *f)
+{
+ Frame *fp = &f->queue[f->rindex];
+ if (f->rindex_shown && fp->serial == f->pktq->serial)
+ return fp->pos;
+ else
+ return -1;
+}
+
static inline void fill_rectangle(SDL_Surface *screen,
int x, int y, int w, int h, int color, int update)
{
/* update current video pts */
set_clock(&is->vidclk, pts, serial);
sync_clock_to_slave(&is->extclk, &is->vidclk);
- is->video_current_pos = pos;
}
/* called to display each frame */
if (vp->serial != is->videoq.serial) {
frame_queue_next(&is->pictq);
- is->video_current_pos = -1;
redisplay = 0;
goto retry;
}
return 0;
}
-static int get_video_frame(VideoState *is, AVFrame *frame, AVPacket *pkt, int *serial)
+static int get_video_frame(VideoState *is, AVFrame *frame)
{
int got_picture;
- if (packet_queue_get(&is->videoq, pkt, 1, serial) < 0)
+ if ((got_picture = decoder_decode_frame(&is->viddec, frame)) < 0)
return -1;
- if (pkt->data == flush_pkt.data) {
- avcodec_flush_buffers(is->video_st->codec);
- return 0;
- }
-
- if(avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt) < 0)
- return 0;
-
- if (!got_picture && !pkt->data)
- is->video_finished = *serial;
-
if (got_picture) {
- int ret = 1;
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;
double diff = dpts - get_master_clock(is);
if (!isnan(diff) && fabs(diff) < AV_NOSYNC_THRESHOLD &&
diff - is->frame_last_filter_delay < 0 &&
- *serial == is->vidclk.serial &&
+ is->viddec.pkt_serial == is->vidclk.serial &&
is->videoq.nb_packets) {
is->frame_drops_early++;
av_frame_unref(frame);
- ret = 0;
+ got_picture = 0;
}
}
}
-
- return ret;
}
- return 0;
+
+ return got_picture;
}
#if CONFIG_AVFILTER
static int video_thread(void *arg)
{
- AVPacket pkt = { 0 };
VideoState *is = arg;
AVFrame *frame = av_frame_alloc();
double pts;
double duration;
int ret;
- int serial = 0;
AVRational tb = is->video_st->time_base;
AVRational frame_rate = av_guess_frame_rate(is->ic, is->video_st, NULL);
while (is->paused && !is->videoq.abort_request)
SDL_Delay(10);
- av_free_packet(&pkt);
-
- ret = get_video_frame(is, frame, &pkt, &serial);
+ ret = get_video_frame(is, frame);
if (ret < 0)
goto the_end;
if (!ret)
if ( last_w != frame->width
|| last_h != frame->height
|| last_format != frame->format
- || last_serial != serial
+ || last_serial != is->viddec.pkt_serial
|| last_vfilter_idx != is->vfilter_idx) {
av_log(NULL, AV_LOG_DEBUG,
"Video frame changed from size:%dx%d format:%s serial:%d to size:%dx%d format:%s serial:%d\n",
last_w, last_h,
(const char *)av_x_if_null(av_get_pix_fmt_name(last_format), "none"), last_serial,
frame->width, frame->height,
- (const char *)av_x_if_null(av_get_pix_fmt_name(frame->format), "none"), serial);
+ (const char *)av_x_if_null(av_get_pix_fmt_name(frame->format), "none"), is->viddec.pkt_serial);
avfilter_graph_free(&graph);
graph = avfilter_graph_alloc();
if ((ret = configure_video_filters(graph, is, vfilters_list ? vfilters_list[is->vfilter_idx] : NULL, frame)) < 0) {
last_w = frame->width;
last_h = frame->height;
last_format = frame->format;
- last_serial = serial;
+ last_serial = is->viddec.pkt_serial;
last_vfilter_idx = is->vfilter_idx;
frame_rate = filt_out->inputs[0]->frame_rate;
}
ret = av_buffersink_get_frame_flags(filt_out, frame, 0);
if (ret < 0) {
if (ret == AVERROR_EOF)
- is->video_finished = serial;
+ is->viddec.finished = is->viddec.pkt_serial;
ret = 0;
break;
}
#endif
duration = (frame_rate.num && frame_rate.den ? av_q2d((AVRational){frame_rate.den, frame_rate.num}) : 0);
pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(tb);
- ret = queue_picture(is, frame, pts, duration, av_frame_get_pkt_pos(frame), serial);
+ ret = queue_picture(is, frame, pts, duration, av_frame_get_pkt_pos(frame), is->viddec.pkt_serial);
av_frame_unref(frame);
#if CONFIG_AVFILTER
}
#if CONFIG_AVFILTER
avfilter_graph_free(&graph);
#endif
- av_free_packet(&pkt);
av_frame_free(&frame);
return 0;
}
{
VideoState *is = arg;
Frame *sp;
- AVPacket pkt1, *pkt = &pkt1;
int got_subtitle;
- int serial;
double pts;
int i, j;
int r, g, b, y, u, v, a;
while (is->paused && !is->subtitleq.abort_request) {
SDL_Delay(10);
}
- if (packet_queue_get(&is->subtitleq, pkt, 1, &serial) < 0)
- break;
-
- if (pkt->data == flush_pkt.data) {
- avcodec_flush_buffers(is->subtitle_st->codec);
- continue;
- }
if (!(sp = frame_queue_peek_writable(&is->subpq)))
return 0;
- /* NOTE: ipts is the PTS of the _first_ picture beginning in
- this packet, if any */
+ if ((got_subtitle = decoder_decode_frame(&is->subdec, &sp->sub)) < 0)
+ break;
+
pts = 0;
- if (pkt->pts != AV_NOPTS_VALUE)
- pts = av_q2d(is->subtitle_st->time_base) * pkt->pts;
- avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
- &got_subtitle, pkt);
if (got_subtitle && sp->sub.format == 0) {
if (sp->sub.pts != AV_NOPTS_VALUE)
pts = sp->sub.pts / (double)AV_TIME_BASE;
sp->pts = pts;
- sp->serial = serial;
+ sp->serial = is->subdec.pkt_serial;
for (i = 0; i < sp->sub.num_rects; i++)
{
} else if (got_subtitle) {
avsubtitle_free(&sp->sub);
}
- av_free_packet(pkt);
}
return 0;
}
*/
static int audio_decode_frame(VideoState *is)
{
- AVPacket *pkt_temp = &is->audio_pkt_temp;
- AVPacket *pkt = &is->audio_pkt;
- AVCodecContext *dec = is->audio_st->codec;
- int len1, data_size, resampled_data_size;
+ int data_size, resampled_data_size;
int64_t dec_channel_layout;
- int got_frame;
+ int got_frame = 0;
av_unused double audio_clock0;
int wanted_nb_samples;
AVRational tb;
int ret;
int reconfigure;
+ if (!is->frame)
+ if (!(is->frame = av_frame_alloc()))
+ return AVERROR(ENOMEM);
+
for (;;) {
- /* NOTE: the audio packet can contain several frames */
- while (pkt_temp->stream_index != -1 || is->audio_buf_frames_pending) {
- if (!is->frame) {
- if (!(is->frame = av_frame_alloc()))
- return AVERROR(ENOMEM);
- } else {
- av_frame_unref(is->frame);
- }
+ if (is->audioq.serial != is->auddec.pkt_serial)
+ is->audio_buf_frames_pending = got_frame = 0;
- if (is->audioq.serial != is->audio_pkt_temp_serial)
- break;
+ if (!got_frame)
+ av_frame_unref(is->frame);
- if (is->paused)
- return -1;
+ if (is->paused)
+ return -1;
+ while (is->audio_buf_frames_pending || got_frame) {
if (!is->audio_buf_frames_pending) {
- len1 = avcodec_decode_audio4(dec, is->frame, &got_frame, pkt_temp);
- if (len1 < 0) {
- /* if error, we skip the frame */
- pkt_temp->size = 0;
- break;
- }
-
- pkt_temp->dts =
- pkt_temp->pts = AV_NOPTS_VALUE;
- pkt_temp->data += len1;
- pkt_temp->size -= len1;
- if (pkt_temp->data && pkt_temp->size <= 0 || !pkt_temp->data && !got_frame)
- pkt_temp->stream_index = -1;
- if (!pkt_temp->data && !got_frame)
- is->audio_finished = is->audio_pkt_temp_serial;
-
- if (!got_frame)
- continue;
-
+ 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));
is->frame->format, av_frame_get_channels(is->frame)) ||
is->audio_filter_src.channel_layout != dec_channel_layout ||
is->audio_filter_src.freq != is->frame->sample_rate ||
- is->audio_pkt_temp_serial != is->audio_last_serial;
+ is->auddec.pkt_serial != is->audio_last_serial;
if (reconfigure) {
char buf1[1024], buf2[1024];
av_log(NULL, AV_LOG_DEBUG,
"Audio frame changed from rate:%d ch:%d fmt:%s layout:%s serial:%d to rate:%d ch:%d fmt:%s layout:%s serial:%d\n",
is->audio_filter_src.freq, is->audio_filter_src.channels, av_get_sample_fmt_name(is->audio_filter_src.fmt), buf1, is->audio_last_serial,
- is->frame->sample_rate, av_frame_get_channels(is->frame), av_get_sample_fmt_name(is->frame->format), buf2, is->audio_pkt_temp_serial);
+ is->frame->sample_rate, av_frame_get_channels(is->frame), av_get_sample_fmt_name(is->frame->format), buf2, is->auddec.pkt_serial);
is->audio_filter_src.fmt = is->frame->format;
is->audio_filter_src.channels = av_frame_get_channels(is->frame);
is->audio_filter_src.channel_layout = dec_channel_layout;
is->audio_filter_src.freq = is->frame->sample_rate;
- is->audio_last_serial = is->audio_pkt_temp_serial;
+ is->audio_last_serial = is->auddec.pkt_serial;
if ((ret = configure_audio_filters(is, afilters, 1)) < 0)
return ret;
continue;
}
if (ret == AVERROR_EOF)
- is->audio_finished = is->audio_pkt_temp_serial;
+ is->auddec.finished = is->auddec.pkt_serial;
return ret;
}
is->audio_buf_frames_pending = 1;
is->audio_clock = is->frame->pts * av_q2d(tb) + (double) is->frame->nb_samples / is->frame->sample_rate;
else
is->audio_clock = NAN;
- is->audio_clock_serial = is->audio_pkt_temp_serial;
+ is->audio_clock_serial = is->auddec.pkt_serial;
#ifdef DEBUG
{
static double last_clock;
return resampled_data_size;
}
- /* free the current packet */
- if (pkt->data)
- av_free_packet(pkt);
- memset(pkt_temp, 0, sizeof(*pkt_temp));
- pkt_temp->stream_index = -1;
-
- if (is->audioq.abort_request) {
- return -1;
- }
-
- if (is->audioq.nb_packets == 0)
- SDL_CondSignal(is->continue_read_thread);
-
- /* read next packet */
- if ((packet_queue_get(&is->audioq, pkt, 1, &is->audio_pkt_temp_serial)) < 0)
+ if ((got_frame = decoder_decode_frame(&is->auddec, is->frame)) < 0)
return -1;
- if (pkt->data == flush_pkt.data) {
- avcodec_flush_buffers(dec);
+ 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;
- }
-
- *pkt_temp = *pkt;
}
}
we correct audio sync only if larger than this threshold */
is->audio_diff_threshold = (double)(is->audio_hw_buf_size) / is->audio_tgt.bytes_per_sec;
- memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
- memset(&is->audio_pkt_temp, 0, sizeof(is->audio_pkt_temp));
- is->audio_pkt_temp.stream_index = -1;
-
is->audio_stream = stream_index;
is->audio_st = ic->streams[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:
is->video_st = ic->streams[stream_index];
packet_queue_start(&is->videoq);
+ decoder_init(&is->viddec, avctx, &is->videoq, is->continue_read_thread);
is->video_tid = SDL_CreateThread(video_thread, is);
is->queue_attachments_req = 1;
break;
case AVMEDIA_TYPE_SUBTITLE:
is->subtitle_stream = stream_index;
is->subtitle_st = ic->streams[stream_index];
- packet_queue_start(&is->subtitleq);
+ packet_queue_start(&is->subtitleq);
+ decoder_init(&is->subdec, avctx, &is->subtitleq, is->continue_read_thread);
is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
break;
default:
SDL_CloseAudio();
+ decoder_destroy(&is->auddec);
packet_queue_flush(&is->audioq);
- av_free_packet(&is->audio_pkt);
swr_free(&is->swr_ctx);
av_freep(&is->audio_buf1);
is->audio_buf1_size = 0;
SDL_WaitThread(is->video_tid, NULL);
+ decoder_destroy(&is->viddec);
packet_queue_flush(&is->videoq);
break;
case AVMEDIA_TYPE_SUBTITLE:
SDL_WaitThread(is->subtitle_tid, NULL);
+ decoder_destroy(&is->subdec);
packet_queue_flush(&is->subtitleq);
break;
default:
continue;
}
if (!is->paused &&
- (!is->audio_st || is->audio_finished == is->audioq.serial) &&
- (!is->video_st || (is->video_finished == is->videoq.serial && frame_queue_nb_remaining(&is->pictq) == 0))) {
+ (!is->audio_st || is->auddec.finished == is->audioq.serial) &&
+ (!is->video_st || (is->viddec.finished == is->videoq.serial && frame_queue_nb_remaining(&is->pictq) == 0))) {
if (loop != 1 && (!loop || --loop)) {
stream_seek(is, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
} else if (autoexit) {
/* OS X needs to reallocate the SDL overlays */
int i;
for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++)
- is->pictq[i].reallocate = 1;
+ is->pictq.queue[i].reallocate = 1;
#endif
is_full_screen = !is_full_screen;
video_open(is, 1, NULL);
incr = -60.0;
do_seek:
if (seek_by_bytes) {
- if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos >= 0) {
- pos = cur_stream->video_current_pos;
- } else if (cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos >= 0) {
- pos = cur_stream->audio_pkt.pos;
- } else
+ pos = -1;
+ if (pos < 0 && cur_stream->video_stream >= 0)
+ pos = frame_queue_last_pos(&cur_stream->pictq);
+ if (pos < 0 && cur_stream->audio_stream >= 0 && cur_stream->frame)
+ pos = av_frame_get_pkt_pos(cur_stream->frame);
+ if (pos < 0)
pos = avio_tell(cur_stream->ic->pb);
if (cur_stream->ic->bit_rate)
incr *= cur_stream->ic->bit_rate / 8.0;
break;
case SDL_VIDEORESIZE:
screen = SDL_SetVideoMode(FFMIN(16383, event.resize.w), event.resize.h, 0,
- SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
+ SDL_HWSURFACE|(is_full_screen?SDL_FULLSCREEN:SDL_RESIZABLE)|SDL_ASYNCBLIT|SDL_HWACCEL);
if (!screen) {
av_log(NULL, AV_LOG_FATAL, "Failed to set video mode\n");
do_exit(cur_stream);
projects / ffmpeg / blobdiff