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Improve T-STD for 302M

pull/7/head
Kieran Kunhya 2014-11-29 22:50:56 +00:00
rodzic 720e67fbd2
commit 3703d0986b
1 zmienionych plików z 3 dodań i 13 usunięć
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libmpegts.c
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@ -1059,6 +1059,8 @@ int ts_setup_transport_stream( ts_writer_t *w, ts_main_t *params )
cur_stream->rx = MISC_AUDIO_RXN;
cur_stream->mb.buf_size = w->ts_type == TS_TYPE_ATSC || w->ts_type == TS_TYPE_CABLELABS ? AC3_BS_ATSC : AC3_BS_DVB;
}
else if( cur_stream->stream_format == LIBMPEGTS_AUDIO_302M )
cur_stream->mb.buf_size = (1 << 16) - 512;
cur_program->streams[cur_program->num_streams] = cur_stream;
cur_program->num_streams++;
@ -1344,20 +1346,8 @@ int ts_setup_302m_stream( ts_writer_t *w, int pid, int bit_depth, int num_channe
return -1;
}
if( stream->lpcm_ctx )
free( stream->lpcm_ctx );
stream->lpcm_ctx = calloc( 1, sizeof(lpcm_stream_ctx_t) );
if( !stream->lpcm_ctx )
return -1;
stream->lpcm_ctx->bits_per_sample = bit_depth;
stream->lpcm_ctx->num_channels = num_channels;
stream->mb.buf_size = SMPTE_302M_AUDIO_BS;
/* 302M frame size is bit_depth / 4 + 1 */
stream->rx = 1.2 * ((bit_depth >> 2) + 1) * SMPTE_302M_AUDIO_SR * 8;
stream->rx = 1.2 * 6 * SMPTE_302M_AUDIO_SR * 8;
return 0;
}