static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
{
unsigned char tag[5];
unsigned int flags = 0;
const int stream_index = pkt->stream_index;
int size = pkt->size;
AVIContext *avi = s->priv_data;
AVIOContext *pb = s->pb;
AVIStream *avist = s->streams[stream_index]->priv_data;
AVCodecContext *enc = s->streams[stream_index]->codec;
int ret;
if (enc->codec_id == AV_CODEC_ID_H264 && enc->codec_tag == MKTAG('H','2','6','4') && pkt->size) {
ret = ff_check_h264_startcode(s, s->streams[stream_index], pkt);
if (ret < 0)
return ret;
}
if ((ret = write_skip_frames(s, stream_index, pkt->dts)) < 0)
return ret;
if (pkt->dts != AV_NOPTS_VALUE)
avist->last_dts = pkt->dts + pkt->duration;
avist->packet_count++;
// Make sure to put an OpenDML chunk when the file size exceeds the limits
if (pb->seekable &&
(avio_tell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
avi_write_ix(s);
ff_end_tag(pb, avi->movi_list);
if (avi->riff_id == 1)
avi_write_idx1(s);
ff_end_tag(pb, avi->riff_start);
avi->movi_list = avi_start_new_riff(s, pb, "AVIX", "movi");
}
avi_stream2fourcc(tag, stream_index, enc->codec_type);
if (pkt->flags & AV_PKT_FLAG_KEY)
flags = 0x10;
if (enc->codec_type == AVMEDIA_TYPE_AUDIO)
avist->audio_strm_length += size;
if (s->pb->seekable) {
AVIIndex *idx = &avist->indexes;
int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
if (idx->ents_allocated <= idx->entry) {
idx->cluster = av_realloc_f(idx->cluster, sizeof(void*), cl+1);
if (!idx->cluster) {
idx->ents_allocated = 0;
idx->entry = 0;
return AVERROR(ENOMEM);
}
idx->cluster[cl] =
av_malloc(AVI_INDEX_CLUSTER_SIZE * sizeof(AVIIentry));
if (!idx->cluster[cl])
return AVERROR(ENOMEM);
idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
}
idx->cluster[cl][id].flags = flags;
idx->cluster[cl][id].pos = avio_tell(pb) - avi->movi_list;
idx->cluster[cl][id].len = size;
avist->max_size = FFMAX(avist->max_size, size);
idx->entry++;
}
avio_write(pb, tag, 4);
avio_wl32(pb, size);
avio_write(pb, pkt->data, size);
if (size & 1)
avio_w8(pb, 0);
return 0;
}
static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
{
unsigned char tag[5];
unsigned int flags = 0;
const int stream_index = pkt->stream_index;
int size = pkt->size;
AVIContext *avi = s->priv_data;
AVIOContext *pb = s->pb;
AVIStream *avist = s->streams[stream_index]->priv_data;
AVCodecContext *enc = s->streams[stream_index]->codec;
if (enc->codec_id == AV_CODEC_ID_H264 && enc->codec_tag == MKTAG('H','2','6','4') && pkt->size) {
int ret = ff_check_h264_startcode(s, s->streams[stream_index], pkt);
if (ret < 0)
return ret;
}
av_dlog(s, "dts:%s packet_count:%d stream_index:%d\n", av_ts2str(pkt->dts), avist->packet_count, stream_index);
while (enc->block_align == 0 && pkt->dts != AV_NOPTS_VALUE &&
pkt->dts > avist->packet_count && enc->codec_id != AV_CODEC_ID_XSUB && avist->packet_count) {
AVPacket empty_packet;
if (pkt->dts - avist->packet_count > 60000) {
av_log(s, AV_LOG_ERROR, "Too large number of skipped frames %"PRId64" > 60000\n", pkt->dts - avist->packet_count);
return AVERROR(EINVAL);
}
av_init_packet(&empty_packet);
empty_packet.size = 0;
empty_packet.data = NULL;
empty_packet.stream_index = stream_index;
avi_write_packet(s, &empty_packet);
av_dlog(s, "dup dts:%s packet_count:%d\n", av_ts2str(pkt->dts), avist->packet_count);
}
avist->packet_count++;
// Make sure to put an OpenDML chunk when the file size exceeds the limits
if (pb->seekable &&
(avio_tell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
avi_write_ix(s);
ff_end_tag(pb, avi->movi_list);
if (avi->riff_id == 1)
avi_write_idx1(s);
ff_end_tag(pb, avi->riff_start);
avi->movi_list = avi_start_new_riff(s, pb, "AVIX", "movi");
}
avi_stream2fourcc(tag, stream_index, enc->codec_type);
if (pkt->flags & AV_PKT_FLAG_KEY)
flags = 0x10;
if (enc->codec_type == AVMEDIA_TYPE_AUDIO)
avist->audio_strm_length += size;
if (s->pb->seekable) {
AVIIndex *idx = &avist->indexes;
int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
if (idx->ents_allocated <= idx->entry) {
idx->cluster = av_realloc_f(idx->cluster, sizeof(void*), cl+1);
if (!idx->cluster) {
idx->ents_allocated = 0;
idx->entry = 0;
return AVERROR(ENOMEM);
}
idx->cluster[cl] =
av_malloc(AVI_INDEX_CLUSTER_SIZE * sizeof(AVIIentry));
if (!idx->cluster[cl])
return AVERROR(ENOMEM);
idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
}
idx->cluster[cl][id].flags = flags;
idx->cluster[cl][id].pos = avio_tell(pb) - avi->movi_list;
idx->cluster[cl][id].len = size;
avist->max_size = FFMAX(avist->max_size, size);
idx->entry++;
}
avio_write(pb, tag, 4);
avio_wl32(pb, size);
avio_write(pb, pkt->data, size);
if (size & 1)
avio_w8(pb, 0);
return 0;
}
