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Revert "aacdec: Reconfigure output as needed, disable pop_output_configuration()"

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This reverts commit 60dbf2eff9.

This is not needed anymore, Ticket 1694 has been fixed differently
pull/19/head
Michael Niedermayer 12 years ago
parent 8978c743fb
commit eab49f4fb5
3 changed files with 32 additions and 27 deletions
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  1. 5
      libavcodec/aac.h
  2. 41
      libavcodec/aacdec.c
  3. 13
      libavcodec/aacsbr.c

5
libavcodec/aac.h
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@ -328,11 +328,6 @@ struct AACContext {
};
int ff_aac_output_configure(AACContext *ac,
uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
enum OCStatus oc_type, int get_new_frame);
void ff_aacdec_init_mips(AACContext *c);
#endif /* AVCODEC_AAC_H */

41
libavcodec/aacdec.c
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@ -114,6 +114,10 @@
static VLC vlc_scalefactors;
static VLC vlc_spectral[11];
static int output_configure(AACContext *ac,
uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
enum OCStatus oc_type, int get_new_frame);
#define overread_err "Input buffer exhausted before END element found\n"
static int count_channels(uint8_t (*layout)[3], int tags)
@ -403,12 +407,11 @@ static void push_output_configuration(AACContext *ac) {
* configuration is unlocked.
*/
static void pop_output_configuration(AACContext *ac) {
return;
if (ac->oc[1].status != OC_LOCKED && ac->oc[0].status != OC_NONE) {
ac->oc[1] = ac->oc[0];
ac->avctx->channels = ac->oc[1].channels;
ac->avctx->channel_layout = ac->oc[1].channel_layout;
ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
ac->oc[1].status, 0);
}
}
@ -418,7 +421,7 @@ static void pop_output_configuration(AACContext *ac) {
*
* @return Returns error status. 0 - OK, !0 - error
*/
int ff_aac_output_configure(AACContext *ac,
static int output_configure(AACContext *ac,
uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
enum OCStatus oc_type, int get_new_frame)
{
@ -522,7 +525,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
if (set_default_channel_config(ac->avctx, layout_map, &layout_map_tags,
2) < 0)
return NULL;
if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
if (output_configure(ac, layout_map, layout_map_tags,
OC_TRIAL_FRAME, 1) < 0)
return NULL;
@ -540,7 +543,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
if (set_default_channel_config(ac->avctx, layout_map, &layout_map_tags,
1) < 0)
return NULL;
if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
if (output_configure(ac, layout_map, layout_map_tags,
OC_TRIAL_FRAME, 1) < 0)
return NULL;
@ -734,7 +737,7 @@ static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
} else if (m4ac->sbr == 1 && m4ac->ps == -1)
m4ac->ps = 1;
if (ac && (ret = ff_aac_output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
if (ac && (ret = output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
return ret;
if (extension_flag) {
@ -917,7 +920,7 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
int ret = set_default_channel_config(avctx, layout_map,
&layout_map_tags, ac->oc[1].m4ac.chan_config);
if (!ret)
ff_aac_output_configure(ac, layout_map, layout_map_tags,
output_configure(ac, layout_map, layout_map_tags,
OC_GLOBAL_HDR, 0);
else if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
@ -2032,13 +2035,21 @@ static int decode_extension_payload(AACContext *ac, GetBitContext *gb, int cnt,
if (!che) {
av_log(ac->avctx, AV_LOG_ERROR, "SBR was found before the first channel element.\n");
return res;
} else if (ac->oc[1].m4ac.sbr != 1) {
av_log(ac->avctx, AV_LOG_DEBUG, "SBR was found in the bitstream.\n");
} else if (!ac->oc[1].m4ac.sbr) {
av_log(ac->avctx, AV_LOG_ERROR, "SBR signaled to be not-present but was found in the bitstream.\n");
skip_bits_long(gb, 8 * cnt - 4);
return res;
} else if (ac->oc[1].m4ac.sbr == -1 && ac->oc[1].status == OC_LOCKED) {
av_log(ac->avctx, AV_LOG_ERROR, "Implicit SBR was found with a first occurrence after the first frame.\n");
skip_bits_long(gb, 8 * cnt - 4);
return res;
} else if (ac->oc[1].m4ac.ps == -1 && ac->oc[1].status < OC_LOCKED && ac->avctx->channels == 1) {
ac->oc[1].m4ac.sbr = 1;
if (ac->oc[1].m4ac.ps == -1 && ac->avctx->channels == 1)
ac->oc[1].m4ac.ps = 1;
ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
ac->oc[1].m4ac.ps = 1;
output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
ac->oc[1].status, 1);
} else {
ac->oc[1].m4ac.sbr = 1;
}
res = ff_decode_sbr_extension(ac, &che->sbr, gb, crc_flag, cnt, elem_type);
break;
@ -2429,7 +2440,7 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
if (set_default_channel_config(ac->avctx, layout_map,
&layout_map_tags, hdr_info.chan_config))
return -7;
if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
if (output_configure(ac, layout_map, layout_map_tags,
FFMAX(ac->oc[1].status, OC_TRIAL_FRAME), 0))
return -7;
} else {
@ -2445,7 +2456,7 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
layout_map[0][2] = layout_map[1][2] = AAC_CHANNEL_FRONT;
layout_map[0][1] = 0;
layout_map[1][1] = 1;
if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
if (output_configure(ac, layout_map, layout_map_tags,
OC_TRIAL_FRAME, 0))
return -7;
}
@ -2549,7 +2560,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR,
"Not evaluating a further program_config_element as this construct is dubious at best.\n");
} else {
err = ff_aac_output_configure(ac, layout_map, tags, OC_TRIAL_PCE, 1);
err = output_configure(ac, layout_map, tags, OC_TRIAL_PCE, 1);
if (!err)
ac->oc[1].m4ac.chan_config = 0;
pce_found = 1;

13
libavcodec/aacsbr.c
Unescape View File

@ -925,13 +925,11 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
{
switch (bs_extension_id) {
case EXTENSION_ID_PS:
if (ac->oc[1].m4ac.ps != 1) {
av_log(ac->avctx, AV_LOG_DEBUG, "Parametric Stereo was found in the bitstream.\n");
ac->oc[1].m4ac.ps = 1;
ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
ac->oc[1].status, 1);
}
av_assert0(ac->oc[1].m4ac.ps);
if (!ac->oc[1].m4ac.ps) {
av_log(ac->avctx, AV_LOG_ERROR, "Parametric Stereo signaled to be not-present but was found in the bitstream.\n");
skip_bits_long(gb, *num_bits_left); // bs_fill_bits
*num_bits_left = 0;
} else {
#if 1
*num_bits_left -= ff_ps_read_data(ac->avctx, gb, &sbr->ps, *num_bits_left);
#else
@ -939,6 +937,7 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
skip_bits_long(gb, *num_bits_left); // bs_fill_bits
*num_bits_left = 0;
#endif
}
break;
default:
// some files contain 0-padding

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