X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Fm4af.c;h=931d5fe1e7bccc4259c4a4cfce05d095f3c10748;hb=e8e9f79eec00768ba677c4584f4717fa41dfa886;hp=9b355c2702d3cfef8d3a1d78902fccf44b428a42;hpb=fb2b36350a2a0dd02398f1bb2a5111d98985b022;p=fdkaac.git

diff --git a/src/m4af.c b/src/m4af.c
index 9b355c2..931d5fe 100644
--- a/src/m4af.c
+++ b/src/m4af.c
@@ -53,6 +53,7 @@ typedef struct m4af_track_t {
     uint32_t bufferSizeDB;
     uint32_t maxBitrate;
     uint32_t avgBitrate;
+    int is_vbr;
 
     m4af_sample_entry_t *sample_table;
     uint32_t num_samples;
@@ -278,6 +279,12 @@ DONE:
     return ctx->last_error;
 }
 
+void m4af_set_vbr_mode(m4af_ctx_t *ctx, uint32_t track_idx, int is_vbr)
+{
+    m4af_track_t *track = &ctx->track[track_idx];
+    track->is_vbr = is_vbr;
+}
+
 void m4af_set_priming(m4af_ctx_t *ctx, uint32_t track_idx,
                       uint32_t encoder_delay, uint32_t padding)
 {
@@ -771,7 +778,7 @@ void m4af_write_esds_box(m4af_ctx_t *ctx, uint32_t track_idx)
                , 2);
     m4af_write24(ctx, track->bufferSizeDB);
     m4af_write32(ctx, track->maxBitrate);
-    m4af_write32(ctx, track->avgBitrate);
+    m4af_write32(ctx, track->is_vbr ? 0: track->avgBitrate);
     /* DecoderSpecificInfo */
     m4af_write_descriptor(ctx, 5, track->decSpecificInfoSize);
     m4af_write(ctx, track->decSpecificInfo, track->decSpecificInfoSize);