---
libavcodec/vorbis_parser.h | 11 ++++
libavcodec/vorbisdec.c | 75 +++++++++++++---------
libavformat/oggparsevorbis.c | 63 +++++++++++++++++-
tests/ref/fate/ogg-vorbis-chained-meta.txt | 3 -
4 files changed, 115 insertions(+), 37 deletions(-)
diff --git a/libavcodec/vorbis_parser.h b/libavcodec/vorbis_parser.h
index 789932ac49..b176fe536c 100644
--- a/libavcodec/vorbis_parser.h
+++ b/libavcodec/vorbis_parser.h
@@ -30,6 +30,17 @@
typedef struct AVVorbisParseContext AVVorbisParseContext;
+/**
+ * Used by the vorbis parser to pass new chained stream headers
+ * as extradata.
+ */
+typedef struct vorbis_new_extradata {
+ uint8_t *header;
+ size_t header_size;
+ uint8_t *setup;
+ size_t setup_size;
+} vorbis_new_extradata;
+
/**
* Allocate and initialize the Vorbis parser using headers in the extradata.
*/
diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index adbd726183..6c5d3fa50f 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -43,6 +43,7 @@
#include "vorbis.h"
#include "vorbisdsp.h"
#include "vorbis_data.h"
+#include "vorbis_parser.h"
#include "xiph.h"
#define V_NB_BITS 8
@@ -1778,47 +1779,59 @@ static int vorbis_decode_frame(AVCodecContext *avctx,
AVFrame *frame,
GetBitContext *gb = &vc->gb;
float *channel_ptrs[255];
int i, len, ret;
+ size_t new_extradata_size;
+ vorbis_new_extradata *new_extradata;
+ const uint8_t *header;
+ const uint8_t *setup;
ff_dlog(NULL, "packet length %d \n", buf_size);
- if (*buf == 1 && buf_size > 7) {
- if ((ret = init_get_bits8(gb, buf + 1, buf_size - 1)) < 0)
- return ret;
+ new_extradata = (vorbis_new_extradata *)av_packet_get_side_data(
+ avpkt, AV_PKT_DATA_NEW_EXTRADATA, &new_extradata_size);
- vorbis_free(vc);
- if ((ret = vorbis_parse_id_hdr(vc))) {
- av_log(avctx, AV_LOG_ERROR, "Id header corrupt.\n");
- vorbis_free(vc);
- return ret;
- }
+ if (new_extradata) {
+ header = new_extradata->header;
+ setup = new_extradata->setup;
- av_channel_layout_uninit(&avctx->ch_layout);
- if (vc->audio_channels > 8) {
- avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
- avctx->ch_layout.nb_channels = vc->audio_channels;
- } else {
- av_channel_layout_copy(&avctx->ch_layout,
&ff_vorbis_ch_layouts[vc->audio_channels - 1]);
- }
+ if (header && *header == 1 && new_extradata->header_size > 7) {
+ if ((ret = init_get_bits8(
+ gb, header + 1,
+ new_extradata->header_size - 1)) < 0)
+ return ret;
- avctx->sample_rate = vc->audio_samplerate;
- return buf_size;
- }
+ vorbis_free(vc);
+ if ((ret = vorbis_parse_id_hdr(vc))) {
+ av_log(avctx, AV_LOG_ERROR, "Id header corrupt.\n");
+ vorbis_free(vc);
+ return ret;
+ }
- if (*buf == 3 && buf_size > 7) {
- av_log(avctx, AV_LOG_DEBUG, "Ignoring comment header\n");
- return buf_size;
- }
+ av_channel_layout_uninit(&avctx->ch_layout);
+ if (vc->audio_channels > 8) {
+ avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
+ avctx->ch_layout.nb_channels = vc->audio_channels;
+ } else {
+ av_channel_layout_copy(
+ &avctx->ch_layout,
+ &ff_vorbis_ch_layouts[vc->audio_channels - 1]);
+ }
- if (*buf == 5 && buf_size > 7 && vc->channel_residues && !vc->modes) {
- if ((ret = init_get_bits8(gb, buf + 1, buf_size - 1)) < 0)
- return ret;
+ avctx->sample_rate = vc->audio_samplerate;
+ }
- if ((ret = vorbis_parse_setup_hdr(vc))) {
- av_log(avctx, AV_LOG_ERROR, "Setup header corrupt.\n");
- vorbis_free(vc);
- return ret;
+ if (setup && *setup == 5 && new_extradata->setup_size > 7 &&
+ vc->channel_residues && !vc->modes) {
+ if ((ret = init_get_bits8(
+ gb, setup + 1,
+ new_extradata->setup_size - 1)) < 0)
+ return ret;
+
+ if ((ret = vorbis_parse_setup_hdr(vc))) {
+ av_log(avctx, AV_LOG_ERROR, "Setup header corrupt.\n");
+ vorbis_free(vc);
+ return ret;
+ }
}
- return buf_size;
}
if (!vc->channel_residues || !vc->modes) {
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
index 62cc2da6de..ee2e01f468 100644
--- a/libavformat/oggparsevorbis.c
+++ b/libavformat/oggparsevorbis.c
@@ -255,12 +255,19 @@ static void vorbis_cleanup(AVFormatContext *s, int idx)
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
struct oggvorbis_private *priv = os->private;
+ vorbis_new_extradata *new_extradata;
int i;
if (os->private) {
av_vorbis_parse_free(&priv->vp);
for (i = 0; i < 3; i++)
av_freep(&priv->packet[i]);
}
+
+ if (os->new_extradata) {
+ new_extradata = (vorbis_new_extradata *)os->new_extradata;
+ av_freep(&new_extradata->header);
+ av_freep(&new_extradata->setup);
+ }
}
static int vorbis_update_metadata(AVFormatContext *s, int idx)
@@ -433,7 +440,10 @@ static int vorbis_packet(AVFormatContext *s, int idx)
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
struct oggvorbis_private *priv = os->private;
+ vorbis_new_extradata *new_extradata;
int duration, flags = 0;
+ int skip_packet = 0;
+ int ret;
if (!priv->vp)
return AVERROR_INVALIDDATA;
@@ -496,10 +506,57 @@ static int vorbis_packet(AVFormatContext *s, int idx)
if (duration < 0) {
os->pflags |= AV_PKT_FLAG_CORRUPT;
return 0;
- } else if (flags & VORBIS_FLAG_COMMENT) {
- vorbis_update_metadata(s, idx);
+ }
+
+ if (flags & VORBIS_FLAG_HEADER) {
+ ret = vorbis_parse_header(s, s->streams[idx], os->buf +
os->pstart, os->psize);
+ if (ret < 0)
+ return ret;
+
+ ret = av_reallocp(&os->new_extradata,
sizeof(vorbis_new_extradata));
+ if (ret < 0)
+ return ret;
+
+ os->new_extradata_size = sizeof(vorbis_new_extradata);
+ new_extradata = (vorbis_new_extradata *)os->new_extradata;
+
+ ret = av_reallocp(&new_extradata->header, os->psize);
+ if (ret < 0)
+ return ret;
+
+ memcpy(new_extradata->header, os->buf + os->pstart, os->psize);
+ new_extradata->header_size = os->psize;
+
+ skip_packet = 1;
+ }
+
+ if (flags & VORBIS_FLAG_COMMENT) {
+ ret = vorbis_update_metadata(s, idx);
+ if (ret < 0)
+ return ret;
+
flags = 0;
+ skip_packet = 1;
}
+
+ if (flags & VORBIS_FLAG_SETUP) {
+ ret = av_reallocp(&os->new_extradata,
sizeof(vorbis_new_extradata));
+ if (ret < 0)
+ return ret;
+
+ os->new_extradata_size = sizeof(vorbis_new_extradata);
+ new_extradata = (vorbis_new_extradata *)os->new_extradata;
+
+ ret = av_reallocp(&new_extradata->setup, os->psize);
+ if (ret < 0)
+ return ret;
+
+ memcpy(new_extradata->setup, os->buf + os->pstart, os->psize);
+ new_extradata->setup_size = os->psize;
+
+ skip_packet = 1;
+ }
+
os->pduration = duration;
}
@@ -521,7 +578,7 @@ static int vorbis_packet(AVFormatContext *s, int idx)
priv->final_duration += os->pduration;
}
- return 0;
+ return skip_packet;
}
const struct ogg_codec ff_vorbis_codec = {
diff --git a/tests/ref/fate/ogg-vorbis-chained-meta.txt
b/tests/ref/fate/ogg-vorbis-chained-meta.txt
index b7a97c90e2..1206f86c1f 100644
--- a/tests/ref/fate/ogg-vorbis-chained-meta.txt
+++ b/tests/ref/fate/ogg-vorbis-chained-meta.txt
@@ -6,10 +6,7 @@ Stream ID: 0, frame PTS: 128, metadata: N/A
Stream ID: 0, packet PTS: 704, packet DTS: 704
Stream ID: 0, frame PTS: 704, metadata: N/A
Stream ID: 0, packet PTS: 0, packet DTS: 0
-Stream ID: 0, packet PTS: 0, packet DTS: 0
Stream ID: 0, new metadata: encoder=Lavc61.19.100 libvorbis:title=Second Stream
-Stream ID: 0, packet PTS: 0, packet DTS: 0
-Stream ID: 0, packet PTS: 0, packet DTS: 0
Stream ID: 0, frame PTS: 0, metadata: N/A
Stream ID: 0, packet PTS: 128, packet DTS: 128
Stream ID: 0, frame PTS: 128, metadata: N/A
--
2.39.5 (Apple Git-154)
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
