int ffmpeg_getmoredata(struct ccx_demuxer *ctx, struct demuxer_data **ppdata)
{
struct demuxer_data *data;
int ret = 0;
if(!*ppdata)
{
*ppdata = alloc_demuxer_data();
if(!*ppdata)
return -1;
data = *ppdata;
//TODO Set to dummy, find and set actual value
data->program_number = 1;
data->stream_pid = 1;
data->codec = CCX_CODEC_ATSC_CC;
data->bufferdatatype = CCX_RAW_TYPE;
}
else
{
data = *ppdata;
}
do
{
int len = ff_get_ccframe(ctx->ffmpeg_ctx, data->buffer, BUFSIZE);
if(len == AVERROR(EAGAIN))
{
continue;
}
else if(len == AVERROR_EOF)
{
ret = CCX_EOF;
break;
}
else if(len == 0)
continue;
else if(len < 0 )
{
mprint("Error extracting Frame\n");
break;
}
else
{
data->len = len;
break;
}
}while(1);
return ret;
}
int wtv_getmoredata(struct lib_ccx_ctx *ctx, struct demuxer_data ** ppdata)
{
static struct wtv_chunked_buffer cb;
int ret = CCX_OK;
struct demuxer_data *data;
if(!*ppdata)
{
*ppdata = alloc_demuxer_data();
if(!*ppdata)
return -1;
data = *ppdata;
//TODO Set to dummy, find and set actual value
data->program_number = 1;
data->stream_pid = 1;
data->codec = CCX_CODEC_ATSC_CC;
}
else
{
data = *ppdata;
}
if(firstcall)
{
init_chunked_buffer(&cb);
if(ccx_options.wtvmpeg2)
data->bufferdatatype=CCX_PES;
else
data->bufferdatatype=CCX_RAW;
read_header(ctx->demux_ctx, &cb);
if(ret != CCX_OK)
{
// read_header returned an error
// read_header will have printed the error message
return ret;
}
firstcall=0;
}
ret = get_data(ctx, &cb, data);
return ret;
}