frame_bytes = enc->frame_size * 2 * enc->channels;
- while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
+ while (av_fifo_size(&ost->fifo) >= frame_bytes) {
AVPacket pkt;
av_init_packet(&pkt);
+ av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
+
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
int fs_tmp = enc->frame_size;
enc->frame_size = fifo_bytes / (2 * enc->channels);
- if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
+ av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
- }
enc->frame_size = fs_tmp;
}
if(ret <= 0) {
}
/* output data */
- if(av_fifo_generic_read(&stream->fifo, payload_size - stuffing_size, &put_buffer, ctx->pb) < 0)
- return -1;
+ assert(payload_size - stuffing_size <= av_fifo_size(&stream->fifo));
+ av_fifo_generic_read(&stream->fifo, payload_size - stuffing_size, &put_buffer, ctx->pb);
stream->bytes_to_iframe -= payload_size - stuffing_size;
}else{
payload_size=
return size;
}
-/**
- * Get data from the fifo (returns -1 if not enough data).
- */
int av_fifo_read(AVFifoBuffer *f, uint8_t *buf, int buf_size)
{
return av_fifo_generic_read(f, buf_size, NULL, buf);
}
-/** get data from the fifo (return -1 if not enough data) */
int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void*, int), void* dest)
{
- int size = av_fifo_size(f);
-
- if (size < buf_size)
- return -1;
do {
int len = FFMIN(f->end - f->rptr, buf_size);
if(func) func(dest, f->rptr, len);