Subroutine to copy an AAC Program Config Element (PCE)

[frescor/ffmpeg.git] / libavcodec / mpeg4audio.h

diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h
index 70076e7e8189cc02eca9bda8c7788358ed13d80d..fd78bdbee995fa78cc09135d6803c55e3108626a 100644 (file)
--- a/libavcodec/mpeg4audio.h
+++ b/libavcodec/mpeg4audio.h
@@ -23,6 +23,8 @@
 #define AVCODEC_MPEG4AUDIO_H
 
 #include <stdint.h>
+#include "get_bits.h"
+#include "put_bits.h"
 
 typedef struct {
     int object_type;
@@ -33,6 +35,7 @@ typedef struct {
     int ext_object_type;
     int ext_sampling_index;
     int ext_sample_rate;
+    int ext_chan_config;
 } MPEG4AudioConfig;
 
 extern const int ff_mpeg4audio_sample_rates[16];
@@ -89,4 +92,9 @@ enum AudioObjectType {
     AOT_SMR_MAIN,              ///< N                       Symbolic Music Representation Main
 };
 
+#define MAX_PCE_SIZE 304 ///<Maximum size of a PCE including the 3-bit ID_PCE
+                         ///<marker and the comment
+
+int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb);
+
 #endif /* AVCODEC_MPEG4AUDIO_H */