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Code Issues Releases Activity

lavf/dvenc: switch to new FIFO API

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Anton Khirnov 2022-01-06 19:25:37 +01:00 committed by Andreas Rheinhardt
parent 7e2be84a94
commit 60414afc9d
1 changed files with 12 additions and 10 deletions
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22
libavformat/dvenc.c
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@ -49,7 +49,7 @@ struct DVMuxContext {
const AVDVProfile* sys; /* current DV profile, e.g.: 525/60, 625/50 */
int n_ast; /* number of stereo audio streams (up to 2) */
AVStream *ast[4]; /* stereo audio streams */
AVFifoBuffer *audio_data[4]; /* FIFO for storing excessive amounts of PCM */
AVFifo *audio_data[4]; /* FIFO for storing excessive amounts of PCM */
int frames; /* current frame number */
int64_t start_time; /* recording start time */
int has_audio; /* frame under construction has audio */
@ -202,7 +202,7 @@ static void dv_inject_audio(DVMuxContext *c, int channel, uint8_t* frame_ptr)
continue;
// FIXME: maybe we have to admit that DV is a big-endian PCM
av_fifo_generic_peek_at(c->audio_data[channel], frame_ptr + d, of * 2, 2, NULL);
av_fifo_peek(c->audio_data[channel], frame_ptr + d, 2, of * 2);
FFSWAP(uint8_t, frame_ptr[d], frame_ptr[d + 1]);
}
frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */
@ -272,16 +272,16 @@ static int dv_assemble_frame(AVFormatContext *s,
for (i = 0; i < c->n_ast && st != c->ast[i]; i++);
/* FIXME: we have to have more sensible approach than this one */
if (av_fifo_size(c->audio_data[i]) + data_size >= 100*MAX_AUDIO_FRAME_SIZE) {
if (av_fifo_can_write(c->audio_data[i]) < data_size) {
av_log(s, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames);
return AVERROR(EINVAL);
}
av_fifo_generic_write(c->audio_data[i], data, data_size, NULL);
av_fifo_write(c->audio_data[i], data, data_size);
reqasize = 4 * dv_audio_frame_size(c->sys, c->frames, st->codecpar->sample_rate);
/* Let us see if we've got enough audio for one DV frame. */
c->has_audio |= ((reqasize <= av_fifo_size(c->audio_data[i])) << i);
c->has_audio |= ((reqasize <= av_fifo_can_read(c->audio_data[i])) << i);
break;
default:
@ -295,8 +295,8 @@ static int dv_assemble_frame(AVFormatContext *s,
for (i=0; i < c->n_ast; i++) {
dv_inject_audio(c, i, *frame);
reqasize = 4 * dv_audio_frame_size(c->sys, c->frames, c->ast[i]->codecpar->sample_rate);
av_fifo_drain(c->audio_data[i], reqasize);
c->has_audio |= ((reqasize <= av_fifo_size(c->audio_data[i])) << i);
av_fifo_drain2(c->audio_data[i], reqasize);
c->has_audio |= ((reqasize <= av_fifo_can_read(c->audio_data[i])) << i);
}
c->has_video = 0;
@ -374,10 +374,12 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s)
ff_parse_creation_time_metadata(s, &c->start_time, 1);
for (i=0; i < c->n_ast; i++) {
if (c->ast[i] && !(c->audio_data[i]=av_fifo_alloc_array(100, MAX_AUDIO_FRAME_SIZE))) {
if (!c->ast[i])
continue;
c->audio_data[i] = av_fifo_alloc2(100 * MAX_AUDIO_FRAME_SIZE, 1, 0);
if (!c->audio_data[i])
goto bail_out;
}
}
return c;
@ -438,7 +440,7 @@ static void dv_deinit(AVFormatContext *s)
DVMuxContext *c = s->priv_data;
for (int i = 0; i < c->n_ast; i++)
av_fifo_freep(&c->audio_data[i]);
av_fifo_freep2(&c->audio_data[i]);
}
const AVOutputFormat ff_dv_muxer = {