#define SUBPICTURE_QUEUE_SIZE 4
typedef struct VideoPicture {
- double pts; ///< presentation time stamp for this picture
- double target_clock; ///< av_gettime() time at which this should be displayed ideally
- int64_t pos; ///< byte position in file
+ double pts; // presentation timestamp for this picture
+ double target_clock; // av_gettime() time at which this should be displayed ideally
+ int64_t pos; // byte position in file
SDL_Overlay *bmp;
int width, height; /* source height & width */
int allocated;
int reallocate;
- enum PixelFormat pix_fmt;
+ enum AVPixelFormat pix_fmt;
#if CONFIG_AVFILTER
AVFilterBufferRef *picref;
enum AVSampleFormat sdl_sample_fmt;
uint64_t sdl_channel_layout;
int sdl_channels;
+ int sdl_sample_rate;
enum AVSampleFormat resample_sample_fmt;
uint64_t resample_channel_layout;
+ int resample_sample_rate;
AVAudioResampleContext *avr;
AVFrame *frame;
double frame_timer;
double frame_last_pts;
double frame_last_delay;
- double video_clock; ///< pts of last decoded frame / predicted pts of next decoded frame
+ double video_clock; // pts of last decoded frame / predicted pts of next decoded frame
int video_stream;
AVStream *video_st;
PacketQueue videoq;
- double video_current_pts; ///< current displayed pts (different from video_clock if frame fifos are used)
- double video_current_pts_drift; ///< video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
- int64_t video_current_pos; ///< current displayed file pos
+ double video_current_pts; // current displayed pts (different from video_clock if frame fifos are used)
+ double video_current_pts_drift; // video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
+ int64_t video_current_pos; // current displayed file pos
VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
int pictq_size, pictq_rindex, pictq_windex;
SDL_mutex *pictq_mutex;
PtsCorrectionContext pts_ctx;
#if CONFIG_AVFILTER
- AVFilterContext *in_video_filter; ///< the first filter in the video chain
- AVFilterContext *out_video_filter; ///< the last filter in the video chain
+ AVFilterContext *in_video_filter; // the first filter in the video chain
+ AVFilterContext *out_video_filter; // the last filter in the video chain
int use_dr1;
FrameBuffer *buffer_pool;
#endif
static SDL_Surface *screen;
-void exit_program(int ret)
-{
- exit(ret);
-}
-
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
/* packet queue handling */
the last buffer computation */
if (audio_callback_time) {
time_diff = av_gettime() - audio_callback_time;
- delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
+ delay -= (time_diff * s->sdl_sample_rate) / 1000000;
}
delay += 2 * data_used;
hw_buf_size = audio_write_get_buf_size(is);
bytes_per_sec = 0;
if (is->audio_st) {
- bytes_per_sec = is->audio_st->codec->sample_rate * is->sdl_channels *
+ bytes_per_sec = is->sdl_sample_rate * is->sdl_channels *
av_get_bytes_per_sample(is->sdl_sample_fmt);
}
if (bytes_per_sec)
SDL_UnlockMutex(is->pictq_mutex);
}
-/**
- *
- * @param pts the dts of the pkt / pts of the frame and guessed if not known
- */
+/* The 'pts' parameter is the dts of the packet / pts of the frame and
+ * guessed if not known. */
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
{
VideoPicture *vp;
#if CONFIG_AVFILTER
AVPicture pict_src;
#else
- int dst_pix_fmt = PIX_FMT_YUV420P;
+ int dst_pix_fmt = AV_PIX_FMT_YUV420P;
#endif
/* wait until we have space to put a new picture */
SDL_LockMutex(is->pictq_mutex);
return 0;
}
-/**
- * compute the exact PTS for the picture if it is omitted in the stream
- * @param pts1 the dts of the pkt / pts of the frame
- */
+/* Compute the exact PTS for the picture if it is omitted in the stream.
+ * The 'pts1' parameter is the dts of the packet / pts of the frame. */
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
{
double frame_delay, pts;
avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
if (fabs(avg_diff) >= is->audio_diff_threshold) {
- wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
+ wanted_size = samples_size + ((int)(diff * is->sdl_sample_rate) * n);
nb_samples = samples_size / n;
min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
}
data_size = av_samples_get_buffer_size(NULL, dec->channels,
is->frame->nb_samples,
- dec->sample_fmt, 1);
+ is->frame->format, 1);
- audio_resample = dec->sample_fmt != is->sdl_sample_fmt ||
- dec->channel_layout != is->sdl_channel_layout;
+ audio_resample = is->frame->format != is->sdl_sample_fmt ||
+ is->frame->channel_layout != is->sdl_channel_layout ||
+ is->frame->sample_rate != is->sdl_sample_rate;
- resample_changed = dec->sample_fmt != is->resample_sample_fmt ||
- dec->channel_layout != is->resample_channel_layout;
+ resample_changed = is->frame->format != is->resample_sample_fmt ||
+ is->frame->channel_layout != is->resample_channel_layout ||
+ is->frame->sample_rate != is->resample_sample_rate;
if ((!is->avr && audio_resample) || resample_changed) {
int ret;
}
}
if (audio_resample) {
- av_opt_set_int(is->avr, "in_channel_layout", dec->channel_layout, 0);
- av_opt_set_int(is->avr, "in_sample_fmt", dec->sample_fmt, 0);
- av_opt_set_int(is->avr, "in_sample_rate", dec->sample_rate, 0);
- av_opt_set_int(is->avr, "out_channel_layout", is->sdl_channel_layout, 0);
- av_opt_set_int(is->avr, "out_sample_fmt", is->sdl_sample_fmt, 0);
- av_opt_set_int(is->avr, "out_sample_rate", dec->sample_rate, 0);
+ av_opt_set_int(is->avr, "in_channel_layout", is->frame->channel_layout, 0);
+ av_opt_set_int(is->avr, "in_sample_fmt", is->frame->format, 0);
+ av_opt_set_int(is->avr, "in_sample_rate", is->frame->sample_rate, 0);
+ av_opt_set_int(is->avr, "out_channel_layout", is->sdl_channel_layout, 0);
+ av_opt_set_int(is->avr, "out_sample_fmt", is->sdl_sample_fmt, 0);
+ av_opt_set_int(is->avr, "out_sample_rate", is->sdl_sample_rate, 0);
if ((ret = avresample_open(is->avr)) < 0) {
fprintf(stderr, "error initializing libavresample\n");
break;
}
}
- is->resample_sample_fmt = dec->sample_fmt;
- is->resample_channel_layout = dec->channel_layout;
+ is->resample_sample_fmt = is->frame->format;
+ is->resample_channel_layout = is->frame->channel_layout;
+ is->resample_sample_rate = is->frame->sample_rate;
}
if (audio_resample) {
is->audio_buf1 = tmp_out;
out_samples = avresample_convert(is->avr,
- (void **)&is->audio_buf1,
+ &is->audio_buf1,
out_linesize, nb_samples,
- (void **)is->frame->data,
+ is->frame->data,
is->frame->linesize[0],
is->frame->nb_samples);
if (out_samples < 0) {
*pts_ptr = pts;
n = is->sdl_channels * av_get_bytes_per_sample(is->sdl_sample_fmt);
is->audio_clock += (double)data_size /
- (double)(n * dec->sample_rate);
+ (double)(n * is->sdl_sample_rate);
#ifdef DEBUG
{
static double last_clock;
/* prepare audio output */
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- wanted_spec.freq = avctx->sample_rate;
- wanted_spec.format = AUDIO_S16SYS;
+ is->sdl_sample_rate = avctx->sample_rate;
if (!avctx->channel_layout)
avctx->channel_layout = av_get_default_channel_layout(avctx->channels);
is->sdl_channel_layout = AV_CH_LAYOUT_STEREO;
is->sdl_channels = av_get_channel_layout_nb_channels(is->sdl_channel_layout);
+ wanted_spec.format = AUDIO_S16SYS;
+ wanted_spec.freq = is->sdl_sample_rate;
wanted_spec.channels = is->sdl_channels;
wanted_spec.silence = 0;
wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
is->audio_hw_buf_size = spec.size;
is->sdl_sample_fmt = AV_SAMPLE_FMT_S16;
is->resample_sample_fmt = is->sdl_sample_fmt;
- is->resample_channel_layout = is->sdl_channel_layout;
+ is->resample_channel_layout = avctx->channel_layout;
+ is->resample_sample_rate = avctx->sample_rate;
}
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
projects / ffmpeg / blobdiff