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 06a1a366db9afc14fa3b59b9e65e12e18fb632e4..fd78bdbee995fa78cc09135d6803c55e3108626a 100644 (file)
--- a/libavcodec/mpeg4audio.h
+++ b/libavcodec/mpeg4audio.h
@@ -19,10 +19,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_MPEG4AUDIO_H
-#define FFMPEG_MPEG4AUDIO_H
+#ifndef AVCODEC_MPEG4AUDIO_H
+#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];
@@ -46,4 +49,52 @@ extern const uint8_t ff_mpeg4audio_channels[8];
  */
 int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size);
 
-#endif /* FFMPEG_MPEGAUDIO_H */
+enum AudioObjectType {
+    AOT_NULL,
+                               // Support?                Name
+    AOT_AAC_MAIN,              ///< Y                       Main
+    AOT_AAC_LC,                ///< Y                       Low Complexity
+    AOT_AAC_SSR,               ///< N (code in SoC repo)    Scalable Sample Rate
+    AOT_AAC_LTP,               ///< N (code in SoC repo)    Long Term Prediction
+    AOT_SBR,                   ///< N (in progress)         Spectral Band Replication
+    AOT_AAC_SCALABLE,          ///< N                       Scalable
+    AOT_TWINVQ,                ///< N                       Twin Vector Quantizer
+    AOT_CELP,                  ///< N                       Code Excited Linear Prediction
+    AOT_HVXC,                  ///< N                       Harmonic Vector eXcitation Coding
+    AOT_TTSI             = 12, ///< N                       Text-To-Speech Interface
+    AOT_MAINSYNTH,             ///< N                       Main Synthesis
+    AOT_WAVESYNTH,             ///< N                       Wavetable Synthesis
+    AOT_MIDI,                  ///< N                       General MIDI
+    AOT_SAFX,                  ///< N                       Algorithmic Synthesis and Audio Effects
+    AOT_ER_AAC_LC,             ///< N                       Error Resilient Low Complexity
+    AOT_ER_AAC_LTP       = 19, ///< N                       Error Resilient Long Term Prediction
+    AOT_ER_AAC_SCALABLE,       ///< N                       Error Resilient Scalable
+    AOT_ER_TWINVQ,             ///< N                       Error Resilient Twin Vector Quantizer
+    AOT_ER_BSAC,               ///< N                       Error Resilient Bit-Sliced Arithmetic Coding
+    AOT_ER_AAC_LD,             ///< N                       Error Resilient Low Delay
+    AOT_ER_CELP,               ///< N                       Error Resilient Code Excited Linear Prediction
+    AOT_ER_HVXC,               ///< N                       Error Resilient Harmonic Vector eXcitation Coding
+    AOT_ER_HILN,               ///< N                       Error Resilient Harmonic and Individual Lines plus Noise
+    AOT_ER_PARAM,              ///< N                       Error Resilient Parametric
+    AOT_SSC,                   ///< N                       SinuSoidal Coding
+    AOT_PS,                    ///< N                       Parametric Stereo
+    AOT_SURROUND,              ///< N                       MPEG Surround
+    AOT_ESCAPE,                ///< N                       Escape Value
+    AOT_L1,                    ///< Y                       Layer 1
+    AOT_L2,                    ///< Y                       Layer 2
+    AOT_L3,                    ///< Y                       Layer 3
+    AOT_DST,                   ///< N                       Direct Stream Transfer
+    AOT_ALS,                   ///< N                       Audio LosslesS
+    AOT_SLS,                   ///< N                       Scalable LosslesS
+    AOT_SLS_NON_CORE,          ///< N                       Scalable LosslesS (non core)
+    AOT_ER_AAC_ELD,            ///< N                       Error Resilient Enhanced Low Delay
+    AOT_SMR_SIMPLE,            ///< N                       Symbolic Music Representation Simple
+    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 */