#define MAX_PAGE_SIZE 65025
-typedef struct {
+typedef struct OGGPage {
int64_t start_granule;
int64_t granule;
int stream_index;
uint16_t size;
} OGGPage;
-typedef struct {
+typedef struct OGGStreamContext {
unsigned page_counter;
uint8_t *header[3];
int header_len[3];
struct OGGPageList *next;
} OGGPageList;
-typedef struct {
+typedef struct OGGContext {
const AVClass *class;
OGGPageList *page_list;
int pref_size; ///< preferred page size (0 => fill all segments)
int64_t pref_duration; ///< preferred page duration (0 => fill all segments)
+ int serial_offset;
} OGGContext;
#define OFFSET(x) offsetof(OGGContext, x)
#define PARAM AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
+ { "serial_offset", "serial number offset",
+ OFFSET(serial_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, PARAM },
{ "pagesize", "preferred page size in bytes (deprecated)",
OFFSET(pref_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, MAX_PAGE_SIZE, PARAM },
{ "page_duration", "preferred page duration, in microseconds",
- OFFSET(pref_duration), AV_OPT_TYPE_INT, { .i64 = 1000000 }, 0, INT64_MAX, PARAM },
+ OFFSET(pref_duration), AV_OPT_TYPE_INT64, { .i64 = 1000000 }, 0, INT64_MAX, PARAM },
{ NULL },
};
-static const AVClass ogg_muxer_class = {
- .class_name = "Ogg muxer",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
+#define OGG_CLASS(flavor)\
+static const AVClass flavor ## _muxer_class = {\
+ .class_name = #flavor " muxer",\
+ .item_name = av_default_item_name,\
+ .option = options,\
+ .version = LIBAVUTIL_VERSION_INT,\
};
-
static void ogg_update_checksum(AVFormatContext *s, AVIOContext *pb, int64_t crc_offset)
{
int64_t pos = avio_tell(pb);
const char *vendor = bitexact ? "Libav" : LIBAVFORMAT_IDENT;
int size;
uint8_t *p, *p0;
- unsigned int count;
ff_metadata_conv(m, ff_vorbiscomment_metadata_conv, NULL);
- size = offset + ff_vorbiscomment_length(*m, vendor, &count) + framing_bit;
+ size = offset + ff_vorbiscomment_length(*m, vendor) + framing_bit;
p = av_mallocz(size);
if (!p)
return NULL;
p0 = p;
p += offset;
- ff_vorbiscomment_write(&p, m, vendor, count);
+ ff_vorbiscomment_write(&p, m, vendor);
if (framing_bit)
bytestream_put_byte(&p, 1);
OGGStreamContext *oggstream, int bitexact,
AVDictionary **m)
{
- enum FLACExtradataFormat format;
- uint8_t *streaminfo;
uint8_t *p;
- if (!avpriv_flac_is_extradata_valid(avctx, &format, &streaminfo))
- return -1;
+ if (avctx->extradata_size < FLAC_STREAMINFO_SIZE)
+ return AVERROR(EINVAL);
// first packet: STREAMINFO
oggstream->header_len[0] = 51;
bytestream_put_buffer(&p, "fLaC", 4);
bytestream_put_byte(&p, 0x00); // streaminfo
bytestream_put_be24(&p, 34);
- bytestream_put_buffer(&p, streaminfo, FLAC_STREAMINFO_SIZE);
+ bytestream_put_buffer(&p, avctx->extradata, FLAC_STREAMINFO_SIZE);
// second packet: VorbisComment
p = ogg_write_vorbiscomment(4, bitexact, &oggstream->header_len[1], m, 0);
if (oggstream->page_count < 2 && !flush)
break;
ogg_write_page(s, &p->page,
- flush && oggstream->page_count == 1 ? 4 : 0); // eos
+ flush == 1 && oggstream->page_count == 1 ? 4 : 0); // eos
next = p->next;
av_freep(&p);
p = next;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
- unsigned serial_num = i;
+ unsigned serial_num = i + ogg->serial_offset;
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
if (st->codec->codec_id == AV_CODEC_ID_OPUS)
avpriv_set_pts_info(st, 64, 1, 48000);
else
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
- else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
- avpriv_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
+
if (st->codec->codec_id != AV_CODEC_ID_VORBIS &&
st->codec->codec_id != AV_CODEC_ID_THEORA &&
st->codec->codec_id != AV_CODEC_ID_SPEEX &&
return -1;
}
oggstream = av_mallocz(sizeof(*oggstream));
+ if (!oggstream)
+ return AVERROR(ENOMEM);
oggstream->page.stream_index = i;
if (!(s->flags & AVFMT_FLAG_BITEXACT))
AVStream *st = s->streams[j];
OGGStreamContext *oggstream = st->priv_data;
for (i = 1; i < 3; i++) {
- if (oggstream && oggstream->header_len[i])
+ if (oggstream->header_len[i])
ogg_buffer_data(s, st, oggstream->header[i],
oggstream->header_len[i], 0, 1);
}
oggstream->page.start_granule = AV_NOPTS_VALUE;
- ogg_write_pages(s, 1);
+ ogg_write_pages(s, 2);
return 0;
}
-static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
+static int ogg_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
{
AVStream *st = s->streams[pkt->stream_index];
OGGStreamContext *oggstream = st->priv_data;
}
granule = (oggstream->last_kf_pts<<oggstream->kfgshift) | pframe_count;
} else if (st->codec->codec_id == AV_CODEC_ID_OPUS)
- granule = pkt->pts + pkt->duration + av_rescale_q(st->codec->delay, (AVRational){ 1, st->codec->sample_rate }, st->time_base);
+ granule = pkt->pts + pkt->duration +
+ av_rescale_q(st->codec->initial_padding,
+ (AVRational){ 1, st->codec->sample_rate },
+ st->time_base);
else
granule = pkt->pts + pkt->duration;
return 0;
}
+static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ int i;
+
+ if (pkt)
+ return ogg_write_packet_internal(s, pkt);
+
+ for (i = 0; i < s->nb_streams; i++) {
+ OGGStreamContext *oggstream = s->streams[i]->priv_data;
+ if (oggstream->page.segments_count)
+ ogg_buffer_page(s, oggstream);
+ }
+
+ ogg_write_pages(s, 2);
+ return 0;
+}
+
static int ogg_write_trailer(AVFormatContext *s)
{
int i;
return 0;
}
+#if CONFIG_OGG_MUXER
+OGG_CLASS(ogg)
AVOutputFormat ff_ogg_muxer = {
.name = "ogg",
.long_name = NULL_IF_CONFIG_SMALL("Ogg"),
.mime_type = "application/ogg",
- .extensions = "ogg,ogv,spx,opus",
+ .extensions = "ogg,ogv",
.priv_data_size = sizeof(OGGContext),
.audio_codec = CONFIG_LIBVORBIS_ENCODER ?
AV_CODEC_ID_VORBIS : AV_CODEC_ID_FLAC,
.write_header = ogg_write_header,
.write_packet = ogg_write_packet,
.write_trailer = ogg_write_trailer,
- .flags = AVFMT_TS_NEGATIVE,
+ .flags = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
.priv_class = &ogg_muxer_class,
};
+#endif
+
+#if CONFIG_OGA_MUXER
+OGG_CLASS(oga)
+AVOutputFormat ff_oga_muxer = {
+ .name = "oga",
+ .long_name = NULL_IF_CONFIG_SMALL("Ogg Audio"),
+ .mime_type = "audio/ogg",
+ .extensions = "oga",
+ .priv_data_size = sizeof(OGGContext),
+ .audio_codec = CONFIG_LIBVORBIS_ENCODER ?
+ AV_CODEC_ID_VORBIS : AV_CODEC_ID_FLAC,
+ .write_header = ogg_write_header,
+ .write_packet = ogg_write_packet,
+ .write_trailer = ogg_write_trailer,
+ .flags = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+ .priv_class = &oga_muxer_class,
+};
+#endif
+
+#if CONFIG_SPX_MUXER
+OGG_CLASS(spx)
+AVOutputFormat ff_spx_muxer = {
+ .name = "spx",
+ .long_name = NULL_IF_CONFIG_SMALL("Ogg Speex"),
+ .mime_type = "audio/ogg",
+ .extensions = "spx",
+ .priv_data_size = sizeof(OGGContext),
+ .audio_codec = AV_CODEC_ID_SPEEX,
+ .write_header = ogg_write_header,
+ .write_packet = ogg_write_packet,
+ .write_trailer = ogg_write_trailer,
+ .flags = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+ .priv_class = &spx_muxer_class,
+};
+#endif
+
+#if CONFIG_OPUS_MUXER
+OGG_CLASS(opus)
+AVOutputFormat ff_opus_muxer = {
+ .name = "opus",
+ .long_name = NULL_IF_CONFIG_SMALL("Ogg Opus"),
+ .mime_type = "audio/ogg",
+ .extensions = "opus",
+ .priv_data_size = sizeof(OGGContext),
+ .audio_codec = AV_CODEC_ID_OPUS,
+ .write_header = ogg_write_header,
+ .write_packet = ogg_write_packet,
+ .write_trailer = ogg_write_trailer,
+ .flags = AVFMT_TS_NEGATIVE | AVFMT_ALLOW_FLUSH,
+ .priv_class = &opus_muxer_class,
+};
+#endif
projects / ffmpeg / blobdiff