From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/4 v2] avcodec/aacdec: fix parsing streams with channel configuration 11
Date: Fri, 28 Oct 2022 09:21:37 -0300
Message-ID: <20221028122140.1885-1-jamrial@gmail.com> (raw)
Set the correct amount of tags in tags_per_config[] and ensure the side
channels (Surround in the spec) are used.
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavcodec/aacdec_template.c | 4 +---
libavcodec/aacdectab.h | 4 ++--
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index 4a9513d53e..c10bc743b6 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -731,9 +731,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][2];
}
case 11:
- if (ac->tags_mapped == 2 &&
- ac->oc[1].m4ac.chan_config == 11 &&
- type == TYPE_SCE) {
+ if (ac->tags_mapped == 3 && type == TYPE_SCE) {
ac->tags_mapped++;
return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][1];
}
diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h
index e38b93a534..b820f10556 100644
--- a/libavcodec/aacdectab.h
+++ b/libavcodec/aacdectab.h
@@ -35,7 +35,7 @@
#include <stdint.h>
-static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 4, 5, 16, 5, 0 };
+static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 5, 5, 16, 5, 0 };
static const uint8_t aac_channel_layout_map[16][16][3] = {
{ { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, },
@@ -48,7 +48,7 @@ static const uint8_t aac_channel_layout_map[16][16][3] = {
{ { 0, } },
{ { 0, } },
{ { 0, } },
- { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE }, },
+ { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_SIDE }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE }, },
{ { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_SIDE }, { TYPE_CPE, 2, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE }, },
{
{ TYPE_SCE, 0, AAC_CHANNEL_FRONT }, // SCE1 = FC,
--
2.38.1
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next reply other threads:[~2022-10-28 12:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 12:21 James Almer [this message]
2022-10-28 12:21 ` [FFmpeg-devel] [PATCH 2/4 v2] avutil/channel_layout: add a 7.1(top) channel layout James Almer
2022-10-28 12:21 ` [FFmpeg-devel] [PATCH 3/4 v2] avcodec/aacdec: add support for channel configuration 14 James Almer
2022-10-28 12:31 ` Andreas Rheinhardt
2022-10-28 12:34 ` James Almer
2022-10-28 12:50 ` Andreas Rheinhardt
2022-10-28 12:53 ` James Almer
2022-10-28 12:21 ` [FFmpeg-devel] [PATCH 4/4] avformat/mov_chan: add missing AAC 7.1 mappings James Almer
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