[FFmpeg-cvslog] r25641 - trunk/libavcodec/aacdec.c
janne
subversion
Tue Nov 2 09:30:31 CET 2010
Author: janne
Date: Tue Nov 2 09:30:31 2010
New Revision: 25641
Log:
aacdec: pass avctx as logging context for decode_audio_specific_config
Use avctx in all called functions. This allows passing a NULL AACContext
for LATM since the AACContext is only used in output_configure() which
is skipped for LATM parsing.
Modified:
trunk/libavcodec/aacdec.c
Modified: trunk/libavcodec/aacdec.c
==============================================================================
--- trunk/libavcodec/aacdec.c Tue Nov 2 09:29:43 2010 (r25640)
+++ trunk/libavcodec/aacdec.c Tue Nov 2 09:30:31 2010 (r25641)
@@ -281,7 +281,8 @@ static void decode_channel_map(enum Chan
*
* @return Returns error status. 0 - OK, !0 - error
*/
-static int decode_pce(AACContext *ac, enum ChannelPosition new_che_pos[4][MAX_ELEM_ID],
+static int decode_pce(AVCodecContext *avctx, MPEG4AudioConfig *m4ac,
+ enum ChannelPosition new_che_pos[4][MAX_ELEM_ID],
GetBitContext *gb)
{
int num_front, num_side, num_back, num_lfe, num_assoc_data, num_cc, sampling_index;
@@ -290,8 +291,8 @@ static int decode_pce(AACContext *ac, en
skip_bits(gb, 2); // object_type
sampling_index = get_bits(gb, 4);
- if (ac->m4ac.sampling_index != sampling_index)
- av_log(ac->avctx, AV_LOG_WARNING, "Sample rate index in program config element does not match the sample rate index configured by the container.\n");
+ if (m4ac->sampling_index != sampling_index)
+ av_log(avctx, AV_LOG_WARNING, "Sample rate index in program config element does not match the sample rate index configured by the container.\n");
num_front = get_bits(gb, 4);
num_side = get_bits(gb, 4);
@@ -322,7 +323,7 @@ static int decode_pce(AACContext *ac, en
/* comment field, first byte is length */
comment_len = get_bits(gb, 8) * 8;
if (get_bits_left(gb) < comment_len) {
- av_log(ac->avctx, AV_LOG_ERROR, overread_err);
+ av_log(avctx, AV_LOG_ERROR, overread_err);
return -1;
}
skip_bits_long(gb, comment_len);
@@ -337,12 +338,12 @@ static int decode_pce(AACContext *ac, en
*
* @return Returns error status. 0 - OK, !0 - error
*/
-static av_cold int set_default_channel_config(AACContext *ac,
+static av_cold int set_default_channel_config(AVCodecContext *avctx,
enum ChannelPosition new_che_pos[4][MAX_ELEM_ID],
int channel_config)
{
if (channel_config < 1 || channel_config > 7) {
- av_log(ac->avctx, AV_LOG_ERROR, "invalid default channel configuration (%d)\n",
+ av_log(avctx, AV_LOG_ERROR, "invalid default channel configuration (%d)\n",
channel_config);
return -1;
}
@@ -378,9 +379,13 @@ static av_cold int set_default_channel_c
/**
* Decode GA "General Audio" specific configuration; reference: table 4.1.
*
+ * @param ac pointer to AACContext, may be null
+ * @param avctx pointer to AVCCodecContext, used for logging
+ *
* @return Returns error status. 0 - OK, !0 - error
*/
-static int decode_ga_specific_config(AACContext *ac, GetBitContext *gb,
+static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
+ GetBitContext *gb,
MPEG4AudioConfig *m4ac,
int channel_config)
{
@@ -388,7 +393,7 @@ static int decode_ga_specific_config(AAC
int extension_flag, ret;
if (get_bits1(gb)) { // frameLengthFlag
- av_log_missing_feature(ac->avctx, "960/120 MDCT window is", 1);
+ av_log_missing_feature(avctx, "960/120 MDCT window is", 1);
return -1;
}
@@ -403,13 +408,13 @@ static int decode_ga_specific_config(AAC
memset(new_che_pos, 0, 4 * MAX_ELEM_ID * sizeof(new_che_pos[0][0]));
if (channel_config == 0) {
skip_bits(gb, 4); // element_instance_tag
- if ((ret = decode_pce(ac, new_che_pos, gb)))
+ if ((ret = decode_pce(avctx, m4ac, new_che_pos, gb)))
return ret;
} else {
- if ((ret = set_default_channel_config(ac, new_che_pos, channel_config)))
+ if ((ret = set_default_channel_config(avctx, new_che_pos, channel_config)))
return ret;
}
- if ((ret = output_configure(ac, ac->che_pos, new_che_pos, channel_config, OC_GLOBAL_HDR)))
+ if (ac && (ret = output_configure(ac, ac->che_pos, new_che_pos, channel_config, OC_GLOBAL_HDR)))
return ret;
if (extension_flag) {
@@ -436,14 +441,18 @@ static int decode_ga_specific_config(AAC
/**
* Decode audio specific configuration; reference: table 1.13.
*
+ * @param ac pointer to AACContext, may be null
+ * @param avctx pointer to AVCCodecContext, used for logging
+ * @param m4ac pointer to MPEG4AudioConfig, used for parsing
* @param data pointer to AVCodecContext extradata
* @param data_size size of AVCCodecContext extradata
*
* @return Returns error status or number of consumed bits. <0 - error
*/
static int decode_audio_specific_config(AACContext *ac,
- MPEG4AudioConfig *m4ac, void *data,
- int data_size)
+ AVCodecContext *avctx,
+ MPEG4AudioConfig *m4ac,
+ void *data, int data_size)
{
GetBitContext gb;
int i;
@@ -453,7 +462,7 @@ static int decode_audio_specific_config(
if ((i = ff_mpeg4audio_get_config(m4ac, data, data_size)) < 0)
return -1;
if (m4ac->sampling_index > 12) {
- av_log(ac->avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index);
+ av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index);
return -1;
}
if (m4ac->sbr == 1 && m4ac->ps == -1)
@@ -464,11 +473,11 @@ static int decode_audio_specific_config(
switch (m4ac->object_type) {
case AOT_AAC_MAIN:
case AOT_AAC_LC:
- if (decode_ga_specific_config(ac, &gb, m4ac, m4ac->chan_config))
+ if (decode_ga_specific_config(ac, avctx, &gb, m4ac, m4ac->chan_config))
return -1;
break;
default:
- av_log(ac->avctx, AV_LOG_ERROR, "Audio object type %s%d is not supported.\n",
+ av_log(avctx, AV_LOG_ERROR, "Audio object type %s%d is not supported.\n",
m4ac->sbr == 1? "SBR+" : "", m4ac->object_type);
return -1;
}
@@ -526,7 +535,9 @@ static av_cold int aac_decode_init(AVCod
ac->m4ac.sample_rate = avctx->sample_rate;
if (avctx->extradata_size > 0) {
- if (decode_audio_specific_config(ac, &ac->m4ac, avctx->extradata, avctx->extradata_size) < 0)
+ if (decode_audio_specific_config(ac, ac->avctx, &ac->m4ac,
+ avctx->extradata,
+ avctx->extradata_size) < 0)
return -1;
}
@@ -1894,7 +1905,7 @@ static int parse_adts_frame_header(AACCo
enum ChannelPosition new_che_pos[4][MAX_ELEM_ID];
memset(new_che_pos, 0, 4 * MAX_ELEM_ID * sizeof(new_che_pos[0][0]));
ac->m4ac.chan_config = hdr_info.chan_config;
- if (set_default_channel_config(ac, new_che_pos, hdr_info.chan_config))
+ if (set_default_channel_config(ac->avctx, new_che_pos, hdr_info.chan_config))
return -7;
if (output_configure(ac, ac->che_pos, new_che_pos, hdr_info.chan_config, OC_TRIAL_FRAME))
return -7;
@@ -1980,7 +1991,7 @@ static int aac_decode_frame_int(AVCodecC
case TYPE_PCE: {
enum ChannelPosition new_che_pos[4][MAX_ELEM_ID];
memset(new_che_pos, 0, 4 * MAX_ELEM_ID * sizeof(new_che_pos[0][0]));
- if ((err = decode_pce(ac, new_che_pos, gb)))
+ if ((err = decode_pce(avctx, &ac->m4ac, new_che_pos, gb)))
break;
if (ac->output_configured > OC_TRIAL_PCE)
av_log(avctx, AV_LOG_ERROR,
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