void metadata_conv(AVMetadata **pm, const AVMetadataConv *d_conv,
const AVMetadataConv *s_conv)
{
/* TODO: use binary search to look up the two conversion tables
if the tables are getting big enough that it would matter speed wise */
const AVMetadataConv *sc, *dc;
AVMetadataTag *mtag = NULL;
AVMetadata *dst = NULL;
const char *key;
while((mtag=av_metadata_get(*pm, "", mtag, AV_METADATA_IGNORE_SUFFIX))) {
key = mtag->key;
if (s_conv != d_conv) {
if (s_conv)
for (sc=s_conv; sc->native; sc++)
if (!strcasecmp(key, sc->native)) {
key = sc->generic;
break;
}
if (d_conv)
for (dc=d_conv; dc->native; dc++)
if (!strcasecmp(key, dc->generic)) {
key = dc->native;
break;
}
}
av_metadata_set2(&dst, key, mtag->value, 0);
}
av_metadata_free(pm);
*pm = dst;
}
void ff_metadata_conv2(AVMetadata **dst, AVMetadata **pm,
const AVMetadataConv *d_conv,
const AVMetadataConv *s_conv)
{
/* TODO: use binary search to look up the two conversion tables
if the tables are getting big enough that it would matter speed wise */
const AVMetadataConv *sc, *dc;
AVMetadataTag *mtag = NULL, *tag;
AVMetadata *tmp = NULL;
const char *key;
if (d_conv == s_conv)
return;
while((mtag=av_metadata_get(*pm, "", mtag, AV_METADATA_IGNORE_SUFFIX))) {
key = mtag->key;
if (s_conv)
for (sc=s_conv; sc->native; sc++)
if (!strcasecmp(key, sc->native)) {
key = sc->generic;
break;
}
if (d_conv)
for (dc=d_conv; dc->native; dc++)
if (!strcasecmp(key, dc->generic)) {
key = dc->native;
break;
}
av_metadata_set_custom(&tmp, &tag, mtag->type, key, mtag->value, mtag->len, 0);
av_metadata_copy_attributes(tag, mtag);
}
if (dst) {
*dst = tmp;
} else {
av_metadata_free(pm);
*pm = tmp;
}
}
int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
{
MOVMuxContext *mov = s->priv_data;
MOVTrack *track = &mov->tracks[index];
MOVTrack *src_track = &mov->tracks[src_index];
AVStream *src_st = s->streams[src_index];
int ret = AVERROR(ENOMEM);
AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
track->tag = MKTAG('r','t','p',' ');
track->src_track = src_index;
if (!rtp_format) {
ret = AVERROR(ENOENT);
goto fail;
}
track->enc = avcodec_alloc_context();
if (!track->enc)
goto fail;
track->enc->codec_type = AVMEDIA_TYPE_DATA;
track->enc->codec_tag = track->tag;
track->rtp_ctx = avformat_alloc_context();
if (!track->rtp_ctx)
goto fail;
track->rtp_ctx->oformat = rtp_format;
if (!av_new_stream(track->rtp_ctx, 0))
goto fail;
/* Copy stream parameters */
track->rtp_ctx->streams[0]->sample_aspect_ratio =
src_st->sample_aspect_ratio;
/* Remove the allocated codec context, link to the original one
* instead, to give the rtp muxer access to codec parameters. */
av_free(track->rtp_ctx->streams[0]->codec);
track->rtp_ctx->streams[0]->codec = src_st->codec;
if ((ret = url_open_dyn_packet_buf(&track->rtp_ctx->pb,
RTP_MAX_PACKET_SIZE)) < 0)
goto fail;
ret = av_write_header(track->rtp_ctx);
if (ret)
goto fail;
/* Copy the RTP AVStream timebase back to the hint AVStream */
track->timescale = track->rtp_ctx->streams[0]->time_base.den;
/* Mark the hinted track that packets written to it should be
* sent to this track for hinting. */
src_track->hint_track = index;
return 0;
fail:
av_log(s, AV_LOG_WARNING,
"Unable to initialize hinting of stream %d\n", src_index);
if (track->rtp_ctx && track->rtp_ctx->pb) {
uint8_t *buf;
url_close_dyn_buf(track->rtp_ctx->pb, &buf);
av_free(buf);
}
if (track->rtp_ctx && track->rtp_ctx->streams[0]) {
av_metadata_free(&track->rtp_ctx->streams[0]->metadata);
av_free(track->rtp_ctx->streams[0]);
}
if (track->rtp_ctx) {
av_metadata_free(&track->rtp_ctx->metadata);
av_free(track->rtp_ctx->priv_data);
av_freep(&track->rtp_ctx);
}
av_freep(&track->enc);
/* Set a default timescale, to avoid crashes in dump_format */
track->timescale = 90000;
return ret;
}
