static int gxf_new_audio_packet(GXFContext *gxf, GXFStreamContext *sc, AVPacket *pkt, int flush)
{
int size = flush ? av_fifo_size(&sc->audio_buffer) : GXF_AUDIO_PACKET_SIZE;
if (!size)
return 0;
av_new_packet(pkt, size);
av_fifo_read(&sc->audio_buffer, pkt->data, size);
pkt->stream_index = sc->index;
pkt->dts = sc->current_dts;
sc->current_dts += size / 2; /* we only support 16 bit pcm mono for now */
return size;
}
/**
* Resizes a FIFO.
*/
void av_fifo_realloc(AVFifoBuffer *f, unsigned int new_size) {
unsigned int old_size= f->end - f->buffer;
if(old_size < new_size){
int len= av_fifo_size(f);
AVFifoBuffer f2;
av_fifo_init(&f2, new_size);
av_fifo_read(f, f2.buffer, len);
f2.wptr += len;
av_free(f->buffer);
*f= f2;
}
}
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size) {
unsigned int old_size= f->end - f->buffer;
if(old_size <= new_size){
int len= av_fifo_size(f);
AVFifoBuffer f2;
if (av_fifo_init(&f2, new_size) < 0)
return -1;
av_fifo_read(f, f2.buffer, len);
f2.wptr += len;
av_free(f->buffer);
*f= f2;
}
return 0;
}