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FS-7519: av play support block and no block mode, support audio only mode

This commit is contained in:
Seven Du 2015-05-05 16:02:26 +08:00 committed by Michael Jerris
parent 49f42542c6
commit 72db8c58d1
1 changed files with 40 additions and 24 deletions
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62
src/mod/formats/mod_avformat/mod_avformat.c
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@ -1168,6 +1168,7 @@ struct av_file_context {
switch_thread_t *file_read_thread;
int file_read_thread_running;
switch_time_t video_start_time;
switch_image_t *last_img;
};
typedef struct av_file_context av_file_context_t;
@ -1202,9 +1203,11 @@ static switch_status_t open_input_file(av_file_context_t *context, switch_file_h
context->has_audio = 1;
} else if (context->fc->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO && !context->has_video) {
context->video_st.st = context->fc->streams[i];
if (switch_test_flag(handle, SWITCH_FILE_FLAG_VIDEO)) {
context->has_video = 1;
}
}
}
/** Find a decoder for the audio stream. */
if (context->has_audio && !(audio_codec = avcodec_find_decoder(context->audio_st.st->codec->codec_id))) {
@ -1687,6 +1690,8 @@ static switch_status_t av_file_close(switch_file_handle_t *handle)
switch_core_timer_destroy(&context->timer);
}
switch_img_free(&context->last_img);
switch_buffer_destroy(&context->audio_buffer);
return SWITCH_STATUS_SUCCESS;
@ -1838,27 +1843,29 @@ static switch_status_t av_file_read_video(switch_file_handle_t *handle, switch_f
MediaStream *mst = &context->video_st;
AVStream *st = mst->st;
int ticks = 0;
int max_delta = 1 * AV_TIME_BASE; // 1 second
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (!context->has_video) return SWITCH_STATUS_FALSE;
if (flags & SVR_FLUSH) max_delta = 0.02 * AV_TIME_BASE;
if (context->last_img) {
if (mst->next_pts && (switch_micro_time_now() - mst->next_pts > max_delta)) {
switch_img_free(&context->last_img); // too late
} else if (mst->next_pts && (switch_micro_time_now() - mst->next_pts > -10000)) {
frame->img = context->last_img;
context->last_img = NULL;
return SWITCH_STATUS_SUCCESS;
}
if (!(flags & SVR_BLOCK)) return SWITCH_STATUS_BREAK;
}
if (!context->file_read_thread_running && switch_queue_size(context->eh.video_queue) == 0) {
return SWITCH_STATUS_FALSE;
}
if (flags & SVR_FLUSH) {
while(switch_queue_size(context->eh.video_queue) > 1) {
if (switch_queue_trypop(context->eh.video_queue, &pop) == SWITCH_STATUS_SUCCESS) {
if (pop) {
switch_image_t *img = (switch_image_t *)pop;
switch_img_free(&img);
}
}
}
return SWITCH_STATUS_BREAK;
}
if (st->codec->time_base.num) {
ticks = st->parser ? st->parser->repeat_pict + 1 : st->codec->ticks_per_frame;
// mst->next_pts += ((int64_t)AV_TIME_BASE * st->codec->time_base.num * ticks) / st->codec->time_base.den;
@ -1884,6 +1891,7 @@ again: if (0) goto again;
// #define YIELD 60000 // use a constant FPS
#ifdef YIELD
switch_yield(YIELD);
frame->img = img;
#else
uint64_t pts;
@ -1906,25 +1914,33 @@ again: if (0) goto again;
if (pts == 0) mst->next_pts = 0;
if (mst->next_pts && switch_micro_time_now() - mst->next_pts > AV_TIME_BASE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "picture is too late, diff: %" SWITCH_INT64_T_FMT " queue size:%u\n", (int64_t)(switch_micro_time_now() - mst->next_pts), switch_queue_size(context->eh.video_queue));
if (mst->next_pts && switch_micro_time_now() - mst->next_pts > max_delta) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "picture is too late, off: %" SWITCH_INT64_T_FMT " queue size:%u\n", (int64_t)(switch_micro_time_now() - mst->next_pts), switch_queue_size(context->eh.video_queue));
switch_img_free(&img);
// return SWITCH_STATUS_BREAK;
goto again;
}
while (switch_micro_time_now() - mst->next_pts < -10000LL / 2) {
if (!(flags & SVR_BLOCK)) {
switch_img_free(&img);
if (switch_queue_size(context->eh.video_queue) > 0) {
goto again;
} else {
return SWITCH_STATUS_BREAK;
}
}
if (flags & SVR_BLOCK) {
while (switch_micro_time_now() - mst->next_pts < -10000 / 2) {
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "yield\n");
switch_yield(10000);
}
frame->img = img;
} else {
if (switch_micro_time_now() - mst->next_pts > -10000 / 2) {
frame->img = img;
} else {
context->last_img = img;
return SWITCH_STATUS_BREAK;
}
}
#endif
frame->img = img;
} else {
if ((flags & SVR_BLOCK)) {
switch_yield(10000);