typedef struct {
int v_id;
int a_id;
+ int rtjpg_video;
} NUVContext;
typedef enum {
} frametype_t;
static int nuv_probe(AVProbeData *p) {
- if (p->buf_size < 12)
- return 0;
if (!memcmp(p->buf, "NuppelVideo", 12))
return AVPROBE_SCORE_MAX;
if (!memcmp(p->buf, "MythTVVideo", 12))
vst->codec->codec_tag = get_le32(pb);
vst->codec->codec_id =
codec_get_id(codec_bmp_tags, vst->codec->codec_tag);
+ if (vst->codec->codec_tag == MKTAG('R', 'J', 'P', 'G'))
+ vst->codec->codec_id = CODEC_ID_NUV;
} else
url_fskip(pb, 4);
ast->codec->codec_id =
wav_codec_get_id(ast->codec->codec_tag,
ast->codec->bits_per_sample);
+ ast->need_parsing = AVSTREAM_PARSE_FULL;
} else
url_fskip(pb, 4 * 4);
}
static int nuv_header(AVFormatContext *s, AVFormatParameters *ap) {
- NUVContext *ctx = (NUVContext *)s->priv_data;
- ByteIOContext *pb = &s->pb;
+ NUVContext *ctx = s->priv_data;
+ ByteIOContext *pb = s->pb;
char id_string[12], version_string[5];
double aspect, fps;
int is_mythtv, width, height, v_packs, a_packs;
if (v_packs) {
ctx->v_id = stream_nr++;
vst = av_new_stream(s, ctx->v_id);
+ if (!vst)
+ return AVERROR(ENOMEM);
vst->codec->codec_type = CODEC_TYPE_VIDEO;
vst->codec->codec_id = CODEC_ID_NUV;
- vst->codec->codec_tag = MKTAG('R', 'J', 'P', 'G');
vst->codec->width = width;
vst->codec->height = height;
vst->codec->bits_per_sample = 10;
if (a_packs) {
ctx->a_id = stream_nr++;
ast = av_new_stream(s, ctx->a_id);
+ if (!ast)
+ return AVERROR(ENOMEM);
ast->codec->codec_type = CODEC_TYPE_AUDIO;
ast->codec->codec_id = CODEC_ID_PCM_S16LE;
ast->codec->channels = 2;
ctx->a_id = -1;
get_codec_data(pb, vst, ast, is_mythtv);
+ ctx->rtjpg_video = vst->codec->codec_id == CODEC_ID_NUV;
return 0;
}
#define HDRSIZE 12
static int nuv_packet(AVFormatContext *s, AVPacket *pkt) {
- NUVContext *ctx = (NUVContext *)s->priv_data;
- ByteIOContext *pb = &s->pb;
+ NUVContext *ctx = s->priv_data;
+ ByteIOContext *pb = s->pb;
uint8_t hdr[HDRSIZE];
frametype_t frametype;
int ret, size;
while (!url_feof(pb)) {
+ int copyhdrsize = ctx->rtjpg_video ? HDRSIZE : 0;
ret = get_buffer(pb, hdr, HDRSIZE);
if (ret <= 0)
return ret ? ret : -1;
frametype = hdr[0];
size = PKTSIZE(AV_RL32(&hdr[8]));
switch (frametype) {
- case NUV_VIDEO:
case NUV_EXTRADATA:
+ if (!ctx->rtjpg_video) {
+ url_fskip(pb, size);
+ break;
+ }
+ case NUV_VIDEO:
if (ctx->v_id < 0) {
av_log(s, AV_LOG_ERROR, "Video packet in file without video stream!\n");
url_fskip(pb, size);
break;
}
- ret = av_new_packet(pkt, HDRSIZE + size);
+ ret = av_new_packet(pkt, copyhdrsize + size);
if (ret < 0)
return ret;
- pkt->pos = url_ftell(pb);
+ pkt->pos = url_ftell(pb) - copyhdrsize;
pkt->pts = AV_RL32(&hdr[4]);
pkt->stream_index = ctx->v_id;
- memcpy(pkt->data, hdr, HDRSIZE);
- ret = get_buffer(pb, pkt->data + HDRSIZE, size);
+ memcpy(pkt->data, hdr, copyhdrsize);
+ ret = get_buffer(pb, pkt->data + copyhdrsize, size);
return ret;
case NUV_AUDIO:
if (ctx->a_id < 0) {
break;
}
}
- return AVERROR_IO;
+ return AVERROR(EIO);
}
AVInputFormat nuv_demuxer = {
"nuv",
- "NuppelVideo format",
+ NULL_IF_CONFIG_SMALL("NuppelVideo format"),
sizeof(NUVContext),
nuv_probe,
nuv_header,