static int gxf_write_umf_media_mjpeg(ByteIOContext *pb, GXFStreamContext *sc)
{
put_be64(pb, 0); /* FIXME FLOAT max chroma quant level */
put_be64(pb, 0); /* FIXME FLOAT max luma quant level */
put_be64(pb, 0); /* FIXME FLOAT min chroma quant level */
put_be64(pb, 0); /* FIXME FLOAT min luma quant level */
return 32;
}
void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate)
{
uint32_t hdr_version;
uint64_t tm;
uint32_t ewah_start;
uint32_t ewah_size = 0;
int fixup = 0;
put_be32(&hdr_version, INDEX_EXTENSION_VERSION);
strbuf_add(sb, &hdr_version, sizeof(uint32_t));
put_be64(&tm, istate->fsmonitor_last_update);
strbuf_add(sb, &tm, sizeof(uint64_t));
fixup = sb->len;
strbuf_add(sb, &ewah_size, sizeof(uint32_t)); /* we'll fix this up later */
ewah_start = sb->len;
ewah_serialize_strbuf(istate->fsmonitor_dirty, sb);
ewah_free(istate->fsmonitor_dirty);
istate->fsmonitor_dirty = NULL;
/* fix up size field */
put_be32(&ewah_size, sb->len - ewah_start);
memcpy(sb->buf + fixup, &ewah_size, sizeof(uint32_t));
trace_printf_key(&trace_fsmonitor, "write fsmonitor extension successful");
}
static void flush_packet(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
int fill_size, h;
ByteIOContext *pb = s->pb;
fill_size = ffm->packet_end - ffm->packet_ptr;
memset(ffm->packet_ptr, 0, fill_size);
if (url_ftell(pb) % ffm->packet_size)
av_abort();
/* put header */
put_be16(pb, PACKET_ID);
put_be16(pb, fill_size);
put_be64(pb, ffm->dts);
h = ffm->frame_offset;
if (ffm->first_packet)
h |= 0x8000;
put_be16(pb, h);
put_buffer(pb, ffm->packet, ffm->packet_end - ffm->packet);
put_flush_packet(pb);
/* prepare next packet */
ffm->frame_offset = 0; /* no key frame */
ffm->packet_ptr = ffm->packet;
ffm->first_packet = 0;
}
static void put_amf_double( ByteIOContext *pb, double d )
{
LogStr("Init");
put_byte(pb, AMF_DATA_TYPE_NUMBER);
put_be64(pb, av_dbl2int(d));
LogStr("Exit");
}
static int sox_write_header(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
AVMetadataTag *comment;
size_t comment_len = 0, comment_size;
comment = av_metadata_get(s->metadata, "comment", NULL, 0);
if (comment)
comment_len = strlen(comment->value);
comment_size = (comment_len + 7) & ~7;
sox->header_size = SOX_FIXED_HDR + comment_size;
if (enc->codec_id == CODEC_ID_PCM_S32LE) {
put_tag(pb, ".SoX");
put_le32(pb, sox->header_size);
put_le64(pb, 0); /* number of samples */
put_le64(pb, av_dbl2int(enc->sample_rate));
put_le32(pb, enc->channels);
put_le32(pb, comment_size);
} else if (enc->codec_id == CODEC_ID_PCM_S32BE) {
put_tag(pb, "XoS.");
put_be32(pb, sox->header_size);
put_be64(pb, 0); /* number of samples */
put_be64(pb, av_dbl2int(enc->sample_rate));
put_be32(pb, enc->channels);
put_be32(pb, comment_size);
} else {
av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
return -1;
}
if (comment_len)
put_buffer(pb, comment->value, comment_len);
for ( ; comment_size > comment_len; comment_len++)
put_byte(pb, 0);
put_flush_packet(pb);
return 0;
}
bool update_time(timespec& dest)
{
const auto now = std::chrono::system_clock::now().time_since_epoch();
const auto sec = std::chrono::duration_cast<std::chrono::seconds>(now);
const auto nsec = std::chrono::duration_cast<std::chrono::nanoseconds>(now-sec);
dest.sec = put_be64(sec.count());
dest.nsec = put_be32(nsec.count());
return true;
}
static int sox_write_trailer(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
ByteIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
if (!url_is_streamed(s->pb)) {
/* update number of samples */
int64_t file_size = url_ftell(pb);
int64_t num_samples = (file_size - sox->header_size - 4LL) >> 2LL;
url_fseek(pb, 8, SEEK_SET);
if (enc->codec_id == CODEC_ID_PCM_S32LE) {
put_le64(pb, num_samples);
} else
put_be64(pb, num_samples);
url_fseek(pb, file_size, SEEK_SET);
put_flush_packet(pb);
}
static int ffm_write_trailer(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
FFMContext *ffm = s->priv_data;
/* flush packets */
if (ffm->packet_ptr > ffm->packet)
flush_packet(s);
put_flush_packet(pb);
if (!url_is_streamed(pb)) {
int64_t size;
/* update the write offset */
size = url_ftell(pb);
url_fseek(pb, 8, SEEK_SET);
put_be64(pb, size);
put_flush_packet(pb);
}
return 0;
}
static int ffm_write_header(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
AVStream *st;
ByteIOContext *pb = s->pb;
AVCodecContext *codec;
int bit_rate, i;
ffm->packet_size = FFM_PACKET_SIZE;
/* header */
put_le32(pb, MKTAG('F', 'F', 'M', '1'));
put_be32(pb, ffm->packet_size);
/* XXX: store write position in other file ? */
put_be64(pb, ffm->packet_size); /* current write position */
put_be32(pb, s->nb_streams);
bit_rate = 0;
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
bit_rate += st->codec->bit_rate;
}
put_be32(pb, bit_rate);
/* list of streams */
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
av_set_pts_info(st, 64, 1, 1000000);
codec = st->codec;
/* generic info */
put_be32(pb, codec->codec_id);
put_byte(pb, codec->codec_type);
put_be32(pb, codec->bit_rate);
put_be32(pb, st->quality);
put_be32(pb, codec->flags);
put_be32(pb, codec->flags2);
put_be32(pb, codec->debug);
/* specific info */
switch(codec->codec_type) {
case CODEC_TYPE_VIDEO:
put_be32(pb, codec->time_base.num);
put_be32(pb, codec->time_base.den);
put_be16(pb, codec->width);
put_be16(pb, codec->height);
put_be16(pb, codec->gop_size);
put_be32(pb, codec->pix_fmt);
put_byte(pb, codec->qmin);
put_byte(pb, codec->qmax);
put_byte(pb, codec->max_qdiff);
put_be16(pb, (int) (codec->qcompress * 10000.0));
put_be16(pb, (int) (codec->qblur * 10000.0));
put_be32(pb, codec->bit_rate_tolerance);
put_strz(pb, codec->rc_eq ? codec->rc_eq : "tex^qComp");
put_be32(pb, codec->rc_max_rate);
put_be32(pb, codec->rc_min_rate);
put_be32(pb, codec->rc_buffer_size);
put_be64(pb, av_dbl2int(codec->i_quant_factor));
put_be64(pb, av_dbl2int(codec->b_quant_factor));
put_be64(pb, av_dbl2int(codec->i_quant_offset));
put_be64(pb, av_dbl2int(codec->b_quant_offset));
put_be32(pb, codec->dct_algo);
put_be32(pb, codec->strict_std_compliance);
put_be32(pb, codec->max_b_frames);
put_be32(pb, codec->luma_elim_threshold);
put_be32(pb, codec->chroma_elim_threshold);
put_be32(pb, codec->mpeg_quant);
put_be32(pb, codec->intra_dc_precision);
put_be32(pb, codec->me_method);
put_be32(pb, codec->mb_decision);
put_be32(pb, codec->nsse_weight);
put_be32(pb, codec->frame_skip_cmp);
put_be64(pb, av_dbl2int(codec->rc_buffer_aggressivity));
put_be32(pb, codec->codec_tag);
put_byte(pb, codec->thread_count);
break;
case CODEC_TYPE_AUDIO:
put_be32(pb, codec->sample_rate);
put_le16(pb, codec->channels);
put_le16(pb, codec->frame_size);
break;
default:
return -1;
}
if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) {
put_be32(pb, codec->extradata_size);
put_buffer(pb, codec->extradata, codec->extradata_size);
}
}
/* flush until end of block reached */
while ((url_ftell(pb) % ffm->packet_size) != 0)
put_byte(pb, 0);
put_flush_packet(pb);
/* init packet mux */
ffm->packet_ptr = ffm->packet;
ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE;
assert(ffm->packet_end >= ffm->packet);
ffm->frame_offset = 0;
ffm->dts = 0;
ffm->first_packet = 1;
return 0;
}
static void put_amf_double(ByteIOContext *pb, double d)
{
put_byte(pb, AMF_DOUBLE);
put_be64(pb, av_dbl2int(d));
}
