Author: ramiro
Date: Mon Apr 20 04:41:30 2009
New Revision: 4220
Log:
Add major sync info flags to context and write it out.
Modified:
mlp/mlpenc.c
Modified: mlp/mlpenc.c
==============================================================================
--- mlp/mlpenc.c Mon Apr 20 04:40:30 2009 (r4219)
+++ mlp/mlpenc.c Mon Apr 20 04:41:30 2009 (r4220)
@@ -107,6 +107,8 @@ typedef struct {
int coded_sample_rate[2]; ///< sample rate encoded for MLP
int coded_peak_bitrate; ///< peak bitrate for this major
sync header
+ int flags; ///< major sync info flags
+
int32_t *inout_buffer; ///< Pointer to data currently
being read from lavc or written to bitstream.
int32_t *major_inout_buffer; ///< Buffer with all in/out data
for one entire major frame interval.
int32_t *write_buffer; ///< Pointer to data currently
being written to bitstream.
@@ -195,6 +197,11 @@ static BestOffset restart_best_offs
#define SYNC_MLP 0xbb
#define SYNC_TRUEHD 0xba
+/* must be set for DVD-A */
+#define FLAGS_DVDA 0x4000
+/* FIFO delay must be constant */
+#define FLAGS_CONST 0x8000
+
/****************************************************************************
************ Functions that copy, clear, or compare parameters *************
****************************************************************************/
@@ -594,6 +601,7 @@ static av_cold int mlp_encode_init(AVCod
ctx->mlp_channels2 = (1 << avctx->channels) - 1;
ctx->mlp_channels3 = get_channels3_code(avctx->channels);
ctx->num_substreams = 1;
+ ctx->flags = FLAGS_DVDA;
size = sizeof(unsigned int) * ctx->max_restart_interval;
@@ -795,7 +803,7 @@ static void write_major_sync(MLPEncodeCo
/* These values seem to be constant for all tested MLP samples. */
put_bits(&pb, 16, MAJOR_SYNC_INFO_SIGNATURE);
- put_bits(&pb, 16, 0x4000);
+ put_bits(&pb, 16, ctx->flags );
put_bits(&pb, 16, 0x0000);
put_bits(&pb, 1, 1); /* is_vbr: This value is 1 in all tested MLP samples.
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