[FFmpeg-devel] [PATCH] lavf/aiffenc: ID3 tags support
Matthieu Bouron
matthieu.bouron at gmail.com
Fri Jan 11 10:26:04 CET 2013
On Thu, Jan 10, 2013 at 04:43:47PM +0100, Cl??ment B??sch wrote:
> On Mon, Jan 07, 2013 at 09:07:17PM +0100, Matthieu Bouron wrote:
> [...]
> > Patch updated.
> > I also added an option to trigger ID3 tags writting (-write_id3v2) as Paul
> > suggested.
> > The covert arts are handled with the same stream based logic. Since mp3enc
> > and wtvenc use this logic, i think it's ok to stick with it until a
> > cleaner solution is found.
> >
> > Regards,
> > Matthieu
>
> > From a83e6cb83e7a8705e6a1d0e34151a45aaf048245 Mon Sep 17 00:00:00 2001
> > From: Matthieu Bouron <matthieu.bouron at gmail.com>
> > Date: Fri, 4 Jan 2013 21:19:40 +0100
> > Subject: [PATCH] lavf/aiffenc: ID3 tags support
> >
> > ---
> > libavformat/Makefile | 2 +-
> > libavformat/aiffenc.c | 157 ++++++++++++++++++++++++++++++++++++++++++++++----
> > 2 files changed, 147 insertions(+), 12 deletions(-)
> >
> > diff --git a/libavformat/Makefile b/libavformat/Makefile
> > index 2266dee..a60a971 100644
> > --- a/libavformat/Makefile
> > +++ b/libavformat/Makefile
> > @@ -60,7 +60,7 @@ OBJS-$(CONFIG_AEA_DEMUXER) += aea.o pcm.o
> > OBJS-$(CONFIG_AFC_DEMUXER) += afc.o
> > OBJS-$(CONFIG_AIFF_DEMUXER) += aiffdec.o pcm.o isom.o \
> > mov_chan.o
> > -OBJS-$(CONFIG_AIFF_MUXER) += aiffenc.o isom.o rawenc.o
> > +OBJS-$(CONFIG_AIFF_MUXER) += aiffenc.o isom.o id3v2enc.o
> > OBJS-$(CONFIG_AMR_DEMUXER) += amr.o
> > OBJS-$(CONFIG_AMR_MUXER) += amr.o
> > OBJS-$(CONFIG_ANM_DEMUXER) += anm.o
> > diff --git a/libavformat/aiffenc.c b/libavformat/aiffenc.c
> > index 525bd49..41ba761 100644
> > --- a/libavformat/aiffenc.c
> > +++ b/libavformat/aiffenc.c
> > @@ -20,19 +20,62 @@
> > */
> >
> > #include "libavutil/intfloat.h"
> > +#include "libavutil/opt.h"
> > #include "avformat.h"
> > #include "internal.h"
> > #include "aiff.h"
> > #include "avio_internal.h"
> > #include "isom.h"
> > -#include "rawenc.h"
> > +#include "id3v2.h"
> >
> > typedef struct {
> > + const AVClass *class;
> > int64_t form;
> > int64_t frames;
> > int64_t ssnd;
> > + int audio_stream_idx;
> > + AVPacketList *pict_list;
>
> > + ID3v2EncContext id3v2;
>
> Can be moved locally to put_id3v2_tags()
Updated in new patch.
>
> > + int write_id3v2;
> > + int id3v2_version;
> > } AIFFOutputContext;
> >
> > +static int put_id3v2_tags(AVFormatContext *s, AIFFOutputContext *aiff)
> > +{
> > + int ret;
> > + uint64_t pos, end;
> > + AVIOContext *pb = s->pb;
> > + AVPacketList *pict_list = aiff->pict_list;
> > +
> > + if (!pb->seekable)
> > + return 0;
> > +
> > + if (!av_dict_count(s->metadata))
> > + return 0;
> > +
>
> if (s->metadata)?
I remove this check since the user choose or not the write id3 tags even if
there is no metadata available.
>
> > + avio_wl32(pb, MKTAG('I', 'D', '3', ' '));
> > + avio_wb32(pb, 0);
> > + pos = avio_tell(pb);
> > +
> > + ff_id3v2_start(&aiff->id3v2, pb, aiff->id3v2_version, ID3v2_DEFAULT_MAGIC);
> > + ff_id3v2_write_metadata(s, &aiff->id3v2);
> > + while (pict_list) {
> > + if ((ret = ff_id3v2_write_apic(s, &aiff->id3v2, &pict_list->pkt)) < 0)
> > + return ret;
> > + pict_list = pict_list->next;
> > + }
> > + ff_id3v2_finish(&aiff->id3v2, pb);
> > +
> > + end = avio_tell(pb);
> > +
> > + /* Update chunk size */
> > + avio_seek(pb, pos - 4, SEEK_SET);
> > + avio_wb32(pb, end - pos);
> > + avio_seek(pb, end, SEEK_SET);
> > +
> > + return 0;
> > +}
> > +
> > static void put_meta(AVFormatContext *s, const char *key, uint32_t id)
> > {
> > AVDictionaryEntry *tag;
> > @@ -53,9 +96,26 @@ static int aiff_write_header(AVFormatContext *s)
> > {
> > AIFFOutputContext *aiff = s->priv_data;
> > AVIOContext *pb = s->pb;
> > - AVCodecContext *enc = s->streams[0]->codec;
> > + AVCodecContext *enc;
> > uint64_t sample_rate;
> > - int aifc = 0;
> > + int i, aifc = 0;
> > +
> > + aiff->audio_stream_idx = -1;
> > + for (i = 0; i < s->nb_streams; i++) {
> > + AVStream *st = s->streams[i];
> > + if (aiff->audio_stream_idx < 0 && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
> > + aiff->audio_stream_idx = i;
> > + } else if (st->codec->codec_type != AVMEDIA_TYPE_VIDEO) {
> > + av_log(s, AV_LOG_ERROR, "Only audio streams and pictures are allowed in AIFF.\n");
> > + return AVERROR(EINVAL);
> > + }
> > + }
> > + if (aiff->audio_stream_idx < 0) {
> > + av_log(s, AV_LOG_ERROR, "No audio stream present.\n");
> > + return AVERROR(EINVAL);
> > + }
> > +
> > + enc = s->streams[aiff->audio_stream_idx]->codec;
> >
> > /* First verify if format is ok */
> > if (!enc->codec_tag)
> > @@ -132,7 +192,8 @@ static int aiff_write_header(AVFormatContext *s)
> > avio_wb32(pb, 0); /* Data offset */
> > avio_wb32(pb, 0); /* Block-size (block align) */
> >
> > - avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
> > + avpriv_set_pts_info(s->streams[aiff->audio_stream_idx], 64, 1,
> > + s->streams[aiff->audio_stream_idx]->codec->sample_rate);
> >
> > /* Data is starting here */
> > avio_flush(pb);
> > @@ -140,11 +201,54 @@ static int aiff_write_header(AVFormatContext *s)
> > return 0;
> > }
> >
> > +static int aiff_write_packet(AVFormatContext *s, AVPacket *pkt)
> > +{
> > + AIFFOutputContext *aiff = s->priv_data;
> > + AVIOContext *pb = s->pb;
> > + if (pkt->stream_index == aiff->audio_stream_idx)
> > + avio_write(pb, pkt->data, pkt->size);
> > + else {
> > + int ret;
> > + AVPacketList *pict_list, *last;
> > +
> > + if (s->streams[pkt->stream_index]->codec->codec_type != AVMEDIA_TYPE_VIDEO)
> > + return 0;
> > +
> > + /* warn only once for each stream */
> > + if (s->streams[pkt->stream_index]->nb_frames == 1) {
> > + av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
> > + " ignoring.\n", pkt->stream_index);
> > + }
> > + if (s->streams[pkt->stream_index]->nb_frames >= 1)
> > + return 0;
> > +
> > + pict_list = av_mallocz(sizeof(AVPacketList));
> > + if (!pict_list)
> > + return AVERROR(ENOMEM);
> > +
> > + if ((ret = av_copy_packet(&pict_list->pkt, pkt)) < 0)
> > + return ret;
> > +
>
> If av_copy_packet fails for some reason, you leak pict_list.
Updated in new patch.
>
> > + if (!aiff->pict_list)
> > + aiff->pict_list = pict_list;
> > + else {
> > + last = aiff->pict_list;
> > + while (last->next)
> > + last = last->next;
> > + last->next = pict_list;
> > + }
> > + }
> > +
> > + return 0;
> > +}
> > +
> > static int aiff_write_trailer(AVFormatContext *s)
> > {
> > + int ret;
> > AVIOContext *pb = s->pb;
> > AIFFOutputContext *aiff = s->priv_data;
> > - AVCodecContext *enc = s->streams[0]->codec;
> > + AVPacketList *pict_list = aiff->pict_list;
> > + AVCodecContext *enc = s->streams[aiff->audio_stream_idx]->codec;
> >
> > /* Chunks sizes must be even */
> > int64_t file_size, end_size;
> > @@ -155,10 +259,6 @@ static int aiff_write_trailer(AVFormatContext *s)
> > }
> >
> > if (s->pb->seekable) {
> > - /* File length */
> > - avio_seek(pb, aiff->form, SEEK_SET);
> > - avio_wb32(pb, file_size - aiff->form - 4);
> > -
> > /* Number of sample frames */
> > avio_seek(pb, aiff->frames, SEEK_SET);
> > avio_wb32(pb, (file_size-aiff->ssnd-12)/enc->block_align);
> > @@ -170,12 +270,46 @@ static int aiff_write_trailer(AVFormatContext *s)
> > /* return to the end */
> > avio_seek(pb, end_size, SEEK_SET);
> >
> > + /* Write ID3 tags */
> > + if (aiff->write_id3v2)
> > + if ((ret = put_id3v2_tags(s, aiff)) < 0)
> > + return ret;
> > +
> > + /* File length */
> > + file_size = avio_tell(pb);
> > + avio_seek(pb, aiff->form, SEEK_SET);
> > + avio_wb32(pb, file_size - aiff->form - 4);
> > +
> > avio_flush(pb);
> > }
> >
> > + while (pict_list) {
> > + AVPacketList *next = pict_list->next;
> > + av_free_packet(&pict_list->pkt);
> > + av_freep(&pict_list);
> > + pict_list = next;
> > + }
> > +
> > return 0;
> > }
> >
> > +#define OFFSET(x) offsetof(AIFFOutputContext, x)
> > +#define ENC AV_OPT_FLAG_ENCODING_PARAM
> > +static const AVOption options[] = {
> > + { "write_id3v2", "Enable ID3 tags writing.",
> > + OFFSET(write_id3v2), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, ENC },
> > + { "id3v2_version", "Select ID3v2 version to write. Currently 3 and 4 are supported.",
> > + OFFSET(id3v2_version), AV_OPT_TYPE_INT, {.i64 = 4}, 3, 4, ENC },
> > + { NULL },
> > +};
> > +
> > +static const AVClass aiff_muxer_class = {
> > + .class_name = "AIFF muxer",
> > + .item_name = av_default_item_name,
> > + .option = options,
> > + .version = LIBAVUTIL_VERSION_INT,
> > +};
> > +
> > AVOutputFormat ff_aiff_muxer = {
> > .name = "aiff",
> > .long_name = NULL_IF_CONFIG_SMALL("Audio IFF"),
> > @@ -183,9 +317,10 @@ AVOutputFormat ff_aiff_muxer = {
> > .extensions = "aif,aiff,afc,aifc",
> > .priv_data_size = sizeof(AIFFOutputContext),
> > .audio_codec = AV_CODEC_ID_PCM_S16BE,
> > - .video_codec = AV_CODEC_ID_NONE,
> > + .video_codec = AV_CODEC_ID_PNG,
> > .write_header = aiff_write_header,
> > - .write_packet = ff_raw_write_packet,
> > + .write_packet = aiff_write_packet,
> > .write_trailer = aiff_write_trailer,
> > .codec_tag = (const AVCodecTag* const []){ ff_codec_aiff_tags, 0 },
> > + .priv_class = &aiff_muxer_class,
> > };
>
> Rest LGTM.
>
New patch attached, thanks for the review !
Regards,
Matthieu
-------------- next part --------------
>From 36266bc7dcc1487feb26ac176baae130cfff47a3 Mon Sep 17 00:00:00 2001
From: Matthieu Bouron <matthieu.bouron at gmail.com>
Date: Fri, 4 Jan 2013 21:19:40 +0100
Subject: [PATCH] lavf/aiffenc: ID3 tags support
---
libavformat/Makefile | 2 +-
libavformat/aiffenc.c | 156 ++++++++++++++++++++++++++++++++++++++++++++++----
2 files changed, 146 insertions(+), 12 deletions(-)
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 7560597..fa35cd4 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -60,7 +60,7 @@ OBJS-$(CONFIG_AEA_DEMUXER) += aea.o pcm.o
OBJS-$(CONFIG_AFC_DEMUXER) += afc.o
OBJS-$(CONFIG_AIFF_DEMUXER) += aiffdec.o pcm.o isom.o \
mov_chan.o
-OBJS-$(CONFIG_AIFF_MUXER) += aiffenc.o isom.o rawenc.o
+OBJS-$(CONFIG_AIFF_MUXER) += aiffenc.o isom.o id3v2enc.o
OBJS-$(CONFIG_AMR_DEMUXER) += amr.o
OBJS-$(CONFIG_AMR_MUXER) += amr.o
OBJS-$(CONFIG_ANM_DEMUXER) += anm.o
diff --git a/libavformat/aiffenc.c b/libavformat/aiffenc.c
index 525bd49..db5cb9e 100644
--- a/libavformat/aiffenc.c
+++ b/libavformat/aiffenc.c
@@ -20,19 +20,59 @@
*/
#include "libavutil/intfloat.h"
+#include "libavutil/opt.h"
#include "avformat.h"
#include "internal.h"
#include "aiff.h"
#include "avio_internal.h"
#include "isom.h"
-#include "rawenc.h"
+#include "id3v2.h"
typedef struct {
+ const AVClass *class;
int64_t form;
int64_t frames;
int64_t ssnd;
+ int audio_stream_idx;
+ AVPacketList *pict_list;
+ int write_id3v2;
+ int id3v2_version;
} AIFFOutputContext;
+static int put_id3v2_tags(AVFormatContext *s, AIFFOutputContext *aiff)
+{
+ int ret;
+ uint64_t pos, end;
+ ID3v2EncContext id3v2 = { 0 };
+ AVIOContext *pb = s->pb;
+ AVPacketList *pict_list = aiff->pict_list;
+
+ if (!pb->seekable)
+ return 0;
+
+ avio_wl32(pb, MKTAG('I', 'D', '3', ' '));
+ avio_wb32(pb, 0);
+ pos = avio_tell(pb);
+
+ ff_id3v2_start(&id3v2, pb, aiff->id3v2_version, ID3v2_DEFAULT_MAGIC);
+ ff_id3v2_write_metadata(s, &id3v2);
+ while (pict_list) {
+ if ((ret = ff_id3v2_write_apic(s, &id3v2, &pict_list->pkt)) < 0)
+ return ret;
+ pict_list = pict_list->next;
+ }
+ ff_id3v2_finish(&id3v2, pb);
+
+ end = avio_tell(pb);
+
+ /* Update chunk size */
+ avio_seek(pb, pos - 4, SEEK_SET);
+ avio_wb32(pb, end - pos);
+ avio_seek(pb, end, SEEK_SET);
+
+ return 0;
+}
+
static void put_meta(AVFormatContext *s, const char *key, uint32_t id)
{
AVDictionaryEntry *tag;
@@ -53,9 +93,26 @@ static int aiff_write_header(AVFormatContext *s)
{
AIFFOutputContext *aiff = s->priv_data;
AVIOContext *pb = s->pb;
- AVCodecContext *enc = s->streams[0]->codec;
+ AVCodecContext *enc;
uint64_t sample_rate;
- int aifc = 0;
+ int i, aifc = 0;
+
+ aiff->audio_stream_idx = -1;
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ if (aiff->audio_stream_idx < 0 && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ aiff->audio_stream_idx = i;
+ } else if (st->codec->codec_type != AVMEDIA_TYPE_VIDEO) {
+ av_log(s, AV_LOG_ERROR, "Only audio streams and pictures are allowed in AIFF.\n");
+ return AVERROR(EINVAL);
+ }
+ }
+ if (aiff->audio_stream_idx < 0) {
+ av_log(s, AV_LOG_ERROR, "No audio stream present.\n");
+ return AVERROR(EINVAL);
+ }
+
+ enc = s->streams[aiff->audio_stream_idx]->codec;
/* First verify if format is ok */
if (!enc->codec_tag)
@@ -132,7 +189,8 @@ static int aiff_write_header(AVFormatContext *s)
avio_wb32(pb, 0); /* Data offset */
avio_wb32(pb, 0); /* Block-size (block align) */
- avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
+ avpriv_set_pts_info(s->streams[aiff->audio_stream_idx], 64, 1,
+ s->streams[aiff->audio_stream_idx]->codec->sample_rate);
/* Data is starting here */
avio_flush(pb);
@@ -140,11 +198,56 @@ static int aiff_write_header(AVFormatContext *s)
return 0;
}
+static int aiff_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ AIFFOutputContext *aiff = s->priv_data;
+ AVIOContext *pb = s->pb;
+ if (pkt->stream_index == aiff->audio_stream_idx)
+ avio_write(pb, pkt->data, pkt->size);
+ else {
+ int ret;
+ AVPacketList *pict_list, *last;
+
+ if (s->streams[pkt->stream_index]->codec->codec_type != AVMEDIA_TYPE_VIDEO)
+ return 0;
+
+ /* warn only once for each stream */
+ if (s->streams[pkt->stream_index]->nb_frames == 1) {
+ av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
+ " ignoring.\n", pkt->stream_index);
+ }
+ if (s->streams[pkt->stream_index]->nb_frames >= 1)
+ return 0;
+
+ pict_list = av_mallocz(sizeof(AVPacketList));
+ if (!pict_list)
+ return AVERROR(ENOMEM);
+
+ if ((ret = av_copy_packet(&pict_list->pkt, pkt)) < 0) {
+ av_freep(&pict_list);
+ return ret;
+ }
+
+ if (!aiff->pict_list)
+ aiff->pict_list = pict_list;
+ else {
+ last = aiff->pict_list;
+ while (last->next)
+ last = last->next;
+ last->next = pict_list;
+ }
+ }
+
+ return 0;
+}
+
static int aiff_write_trailer(AVFormatContext *s)
{
+ int ret;
AVIOContext *pb = s->pb;
AIFFOutputContext *aiff = s->priv_data;
- AVCodecContext *enc = s->streams[0]->codec;
+ AVPacketList *pict_list = aiff->pict_list;
+ AVCodecContext *enc = s->streams[aiff->audio_stream_idx]->codec;
/* Chunks sizes must be even */
int64_t file_size, end_size;
@@ -155,10 +258,6 @@ static int aiff_write_trailer(AVFormatContext *s)
}
if (s->pb->seekable) {
- /* File length */
- avio_seek(pb, aiff->form, SEEK_SET);
- avio_wb32(pb, file_size - aiff->form - 4);
-
/* Number of sample frames */
avio_seek(pb, aiff->frames, SEEK_SET);
avio_wb32(pb, (file_size-aiff->ssnd-12)/enc->block_align);
@@ -170,12 +269,46 @@ static int aiff_write_trailer(AVFormatContext *s)
/* return to the end */
avio_seek(pb, end_size, SEEK_SET);
+ /* Write ID3 tags */
+ if (aiff->write_id3v2)
+ if ((ret = put_id3v2_tags(s, aiff)) < 0)
+ return ret;
+
+ /* File length */
+ file_size = avio_tell(pb);
+ avio_seek(pb, aiff->form, SEEK_SET);
+ avio_wb32(pb, file_size - aiff->form - 4);
+
avio_flush(pb);
}
+ while (pict_list) {
+ AVPacketList *next = pict_list->next;
+ av_free_packet(&pict_list->pkt);
+ av_freep(&pict_list);
+ pict_list = next;
+ }
+
return 0;
}
+#define OFFSET(x) offsetof(AIFFOutputContext, x)
+#define ENC AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "write_id3v2", "Enable ID3 tags writing.",
+ OFFSET(write_id3v2), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, ENC },
+ { "id3v2_version", "Select ID3v2 version to write. Currently 3 and 4 are supported.",
+ OFFSET(id3v2_version), AV_OPT_TYPE_INT, {.i64 = 4}, 3, 4, ENC },
+ { NULL },
+};
+
+static const AVClass aiff_muxer_class = {
+ .class_name = "AIFF muxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
AVOutputFormat ff_aiff_muxer = {
.name = "aiff",
.long_name = NULL_IF_CONFIG_SMALL("Audio IFF"),
@@ -183,9 +316,10 @@ AVOutputFormat ff_aiff_muxer = {
.extensions = "aif,aiff,afc,aifc",
.priv_data_size = sizeof(AIFFOutputContext),
.audio_codec = AV_CODEC_ID_PCM_S16BE,
- .video_codec = AV_CODEC_ID_NONE,
+ .video_codec = AV_CODEC_ID_PNG,
.write_header = aiff_write_header,
- .write_packet = ff_raw_write_packet,
+ .write_packet = aiff_write_packet,
.write_trailer = aiff_write_trailer,
.codec_tag = (const AVCodecTag* const []){ ff_codec_aiff_tags, 0 },
+ .priv_class = &aiff_muxer_class,
};
--
1.8.1
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