AVStream *audio_st;
PacketQueue audioq;
int audio_hw_buf_size;
- /* samples output by the codec. we reserve more space for avsync
- compensation, resampling and format conversion */
- DECLARE_ALIGNED(16,uint8_t,audio_buf1)[AVCODEC_MAX_AUDIO_FRAME_SIZE * 4];
DECLARE_ALIGNED(16,uint8_t,audio_buf2)[AVCODEC_MAX_AUDIO_FRAME_SIZE * 4];
+ uint8_t silence_buf[SDL_AUDIO_BUFFER_SIZE];
uint8_t *audio_buf;
+ uint8_t *audio_buf1;
unsigned int audio_buf_size; /* in bytes */
int audio_buf_index; /* in bytes */
int audio_write_buf_size;
double audio_current_pts_drift;
int frame_drops_early;
int frame_drops_late;
+ AVFrame *frame;
enum ShowMode {
SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
exit(0);
}
-static int video_open(VideoState *is){
+static int video_open(VideoState *is, int force_set_video_mode){
int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
int w,h;
h = 480;
}
if(screen && is->width == screen->w && screen->w == w
- && is->height== screen->h && screen->h == h)
+ && is->height== screen->h && screen->h == h && !force_set_video_mode)
return 0;
screen = SDL_SetVideoMode(w, h, 0, flags);
if (!screen) {
static void video_display(VideoState *is)
{
if(!screen)
- video_open(is);
+ video_open(is, 0);
if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
video_audio_display(is);
else if (is->video_st)
int ret = 1;
if (decoder_reorder_pts == -1) {
- *pts = frame->best_effort_timestamp;
+ *pts = *(int64_t*)av_opt_ptr(avcodec_get_frame_class(), frame, "best_effort_timestamp");
} else if (decoder_reorder_pts) {
*pts = frame->pkt_pts;
} else {
pic->linesize[i] = ref->linesize[i];
}
pic->opaque = ref;
- pic->age = INT_MAX;
pic->type = FF_BUFFER_TYPE_USER;
pic->reordered_opaque = codec->reordered_opaque;
if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
if (wanted_size < min_size)
wanted_size = min_size;
- else if (wanted_size > FFMIN3(max_size, sizeof(is->audio_buf1), sizeof(is->audio_buf2)))
- wanted_size = FFMIN3(max_size, sizeof(is->audio_buf1), sizeof(is->audio_buf2));
+ else if (wanted_size > FFMIN3(max_size, samples_size, sizeof(is->audio_buf2)))
+ wanted_size = FFMIN3(max_size, samples_size, sizeof(is->audio_buf2));
/* add or remove samples to correction the synchro */
if (wanted_size < samples_size) {
AVCodecContext *dec= is->audio_st->codec;
int len1, len2, data_size, resampled_data_size;
int64_t dec_channel_layout;
+ int got_frame;
double pts;
int new_packet = 0;
int flush_complete = 0;
for(;;) {
/* NOTE: the audio packet can contain several frames */
while (pkt_temp->size > 0 || (!pkt_temp->data && new_packet)) {
+ if (!is->frame) {
+ if (!(is->frame = avcodec_alloc_frame()))
+ return AVERROR(ENOMEM);
+ } else
+ avcodec_get_frame_defaults(is->frame);
+
if (flush_complete)
break;
new_packet = 0;
- data_size = sizeof(is->audio_buf1);
- len1 = avcodec_decode_audio3(dec,
- (int16_t *)is->audio_buf1, &data_size,
- pkt_temp);
+ len1 = avcodec_decode_audio4(dec, is->frame, &got_frame, pkt_temp);
if (len1 < 0) {
/* if error, we skip the frame */
pkt_temp->size = 0;
pkt_temp->data += len1;
pkt_temp->size -= len1;
- if (data_size <= 0) {
+ if (!got_frame) {
/* stop sending empty packets if the decoder is finished */
if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
flush_complete = 1;
continue;
}
+ data_size = av_samples_get_buffer_size(NULL, dec->channels,
+ is->frame->nb_samples,
+ dec->sample_fmt, 1);
dec_channel_layout = (dec->channel_layout && dec->channels == av_get_channel_layout_nb_channels(dec->channel_layout)) ? dec->channel_layout : av_get_default_channel_layout(dec->channels);
resampled_data_size = data_size;
if (is->swr_ctx) {
- const uint8_t *in[] = {is->audio_buf1};
+ const uint8_t *in[] = { is->frame->data[0] };
uint8_t *out[] = {is->audio_buf2};
len2 = swr_convert(is->swr_ctx, out, sizeof(is->audio_buf2) / is->audio_tgt_channels / av_get_bytes_per_sample(is->audio_tgt_fmt),
in, data_size / dec->channels / av_get_bytes_per_sample(dec->sample_fmt));
is->audio_buf = is->audio_buf2;
resampled_data_size = len2 * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
} else {
- is->audio_buf= is->audio_buf1;
+ is->audio_buf = is->frame->data[0];
}
/* if no pts, then compute it */
/* free the current packet */
if (pkt->data)
av_free_packet(pkt);
+ memset(pkt_temp, 0, sizeof(*pkt_temp));
if (is->paused || is->audioq.abort_request) {
return -1;
if (pkt->data == flush_pkt.data)
avcodec_flush_buffers(dec);
- pkt_temp->data = pkt->data;
- pkt_temp->size = pkt->size;
+ *pkt_temp = *pkt;
/* if update the audio clock with the pts */
if (pkt->pts != AV_NOPTS_VALUE) {
audio_size = audio_decode_frame(is, &pts);
if (audio_size < 0) {
/* if error, just output silence */
- is->audio_buf = is->audio_buf1;
- is->audio_buf_size = 256 * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
- memset(is->audio_buf, 0, is->audio_buf_size);
+ is->audio_buf = is->silence_buf;
+ is->audio_buf_size = sizeof(is->silence_buf);
} else {
if (is->show_mode != SHOW_MODE_VIDEO)
update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
if (is->swr_ctx)
swr_free(&is->swr_ctx);
av_free_packet(&is->audio_pkt);
+ av_freep(&is->audio_buf1);
+ is->audio_buf = NULL;
+ av_freep(&is->frame);
if (is->rdft) {
av_rdft_end(is->rdft);
}
}
-/* since we have only one decoding thread, we can use a global
- variable instead of a thread local variable */
-static VideoState *global_video_state;
-
static int decode_interrupt_cb(void *ctx)
{
- return (global_video_state && global_video_state->abort_request);
+ VideoState *is = ctx;
+ return is->abort_request;
}
/* this thread gets the stream from the disk or the network */
is->audio_stream = -1;
is->subtitle_stream = -1;
- global_video_state = is;
-
ic = avformat_alloc_context();
ic->interrupt_callback.callback = decode_interrupt_cb;
+ ic->interrupt_callback.opaque = is;
err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
if (err < 0) {
print_error(is->filename, err);
if(genpts)
ic->flags |= AVFMT_FLAG_GENPTS;
- av_dict_set(&codec_opts, "request_channels", "2", 0);
-
opts = setup_find_stream_info_opts(ic, codec_opts);
orig_nb_streams = ic->nb_streams;
ret = 0;
fail:
- /* disable interrupting */
- global_video_state = NULL;
-
/* close each stream */
if (is->audio_stream >= 0)
stream_component_close(is, is->audio_stream);
if (is->subtitle_stream >= 0)
stream_component_close(is, is->subtitle_stream);
if (is->ic) {
- av_close_input_file(is->ic);
- is->ic = NULL; /* safety */
+ avformat_close_input(&is->ic);
}
- avio_set_interrupt_cb(NULL);
if (ret != 0) {
SDL_Event event;
static void toggle_full_screen(VideoState *is)
{
+ int i;
is_full_screen = !is_full_screen;
#if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
- /* OSX needs to reallocate the SDL overlays */
- for (int i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
+ /* OS X needs to reallocate the SDL overlays */
+ for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
is->pictq[i].reallocate = 1;
}
#endif
- video_open(is);
+ video_open(is, 1);
}
static void toggle_pause(VideoState *is)
case SDLK_w:
toggle_audio_display(cur_stream);
break;
+ case SDLK_PAGEUP:
+ incr = 600.0;
+ goto do_seek;
+ case SDLK_PAGEDOWN:
+ incr = -600.0;
+ goto do_seek;
case SDLK_LEFT:
incr = -10.0;
goto do_seek;
do_exit(cur_stream);
break;
case FF_ALLOC_EVENT:
- video_open(event.user.data1);
+ video_open(event.user.data1, 0);
alloc_picture(event.user.data1);
break;
case FF_REFRESH_EVENT:
"s activate frame-step mode\n"
"left/right seek backward/forward 10 seconds\n"
"down/up seek backward/forward 1 minute\n"
+ "page down/page up seek backward/forward 10 minutes\n"
"mouse click seek to percentage in file corresponding to fraction of width\n"
);
return 0;
init_opts();
- show_banner();
+ show_banner(argc, argv, options);
parse_options(NULL, argc, argv, options, opt_input_file);
projects / ffmpeg / blobdiff