AVCodecContext *acodec = astream->codec;
switch(flv_codecid) {
//no distinction between S16 and S8 PCM codec flags
- case FLV_CODECID_PCM_BE:
- acodec->codec_id = acodec->bits_per_sample == 8 ? CODEC_ID_PCM_S8 : CODEC_ID_PCM_S16BE; break;
+ case FLV_CODECID_PCM:
+ acodec->codec_id = acodec->bits_per_sample == 8 ? CODEC_ID_PCM_S8 :
+#ifdef WORDS_BIGENDIAN
+ CODEC_ID_PCM_S16BE;
+#else
+ CODEC_ID_PCM_S16LE;
+#endif
+ break;
case FLV_CODECID_PCM_LE:
acodec->codec_id = acodec->bits_per_sample == 8 ? CODEC_ID_PCM_S8 : CODEC_ID_PCM_S16LE; break;
case FLV_CODECID_ADPCM: acodec->codec_id = CODEC_ID_ADPCM_SWF; break;
vcodec->extradata_size = 1;
vcodec->extradata = av_malloc(1);
}
- vcodec->extradata[0] = get_byte(&s->pb);
+ vcodec->extradata[0] = get_byte(s->pb);
return 1; // 1 byte body size adjustment for flv_read_packet()
default:
av_log(s, AV_LOG_INFO, "Unsupported video codec (%x)\n", flv_codecid);
double num_val;
num_val = 0;
- ioc = &s->pb;
+ ioc = s->pb;
amf_type = get_byte(ioc);
if(!strcmp(key, "duration")) s->duration = num_val * AV_TIME_BASE;
// else if(!strcmp(key, "width") && vcodec && num_val > 0) vcodec->width = num_val;
// else if(!strcmp(key, "height") && vcodec && num_val > 0) vcodec->height = num_val;
- else if(!strcmp(key, "audiocodecid") && acodec) flv_set_audio_codec(s, astream, (int)num_val << FLV_AUDIO_CODECID_OFFSET);
- else if(!strcmp(key, "videocodecid") && vcodec) flv_set_video_codec(s, vstream, (int)num_val);
- else if(!strcmp(key, "audiosamplesize") && acodec && num_val >= 0) {
+ else if(!strcmp(key, "audiocodecid") && acodec && 0 <= (int)num_val)
+ flv_set_audio_codec(s, astream, (int)num_val << FLV_AUDIO_CODECID_OFFSET);
+ else if(!strcmp(key, "videocodecid") && vcodec && 0 <= (int)num_val)
+ flv_set_video_codec(s, vstream, (int)num_val);
+ else if(!strcmp(key, "audiosamplesize") && acodec && 0 < (int)num_val) {
acodec->bits_per_sample = num_val;
//we may have to rewrite a previously read codecid because FLV only marks PCM endianness.
if(num_val == 8 && (acodec->codec_id == CODEC_ID_PCM_S16BE || acodec->codec_id == CODEC_ID_PCM_S16LE))
}
else if(!strcmp(key, "audiosamplerate") && acodec && num_val >= 0) {
//some tools, like FLVTool2, write consistently approximate metadata sample rates
- switch((int)num_val) {
- case 44000: acodec->sample_rate = 44100 ; break;
- case 22000: acodec->sample_rate = 22050 ; break;
- case 11000: acodec->sample_rate = 11025 ; break;
- case 5000 : acodec->sample_rate = 5512 ; break;
- default : acodec->sample_rate = num_val;
+ if (!acodec->sample_rate) {
+ switch((int)num_val) {
+ case 44000: acodec->sample_rate = 44100 ; break;
+ case 22000: acodec->sample_rate = 22050 ; break;
+ case 11000: acodec->sample_rate = 11025 ; break;
+ case 5000 : acodec->sample_rate = 5512 ; break;
+ default : acodec->sample_rate = num_val;
+ }
}
}
}
astream = NULL;
vstream = NULL;
keylen = 0;
- ioc = &s->pb;
+ ioc = s->pb;
//first object needs to be "onMetaData" string
type = get_byte(ioc);
{
int offset, flags;
- url_fskip(&s->pb, 4);
- flags = get_byte(&s->pb);
+ url_fskip(s->pb, 4);
+ flags = get_byte(s->pb);
/* old flvtool cleared this field */
/* FIXME: better fix needed */
if (!flags) {
return AVERROR(ENOMEM);
}
- offset = get_be32(&s->pb);
- url_fseek(&s->pb, offset, SEEK_SET);
+ offset = get_be32(s->pb);
+ url_fseek(s->pb, offset, SEEK_SET);
s->start_time = 0;
AVStream *st = NULL;
for(;;){
- pos = url_ftell(&s->pb);
- url_fskip(&s->pb, 4); /* size of previous packet */
- type = get_byte(&s->pb);
- size = get_be24(&s->pb);
- pts = get_be24(&s->pb);
- pts |= get_byte(&s->pb) << 24;
+ pos = url_ftell(s->pb);
+ url_fskip(s->pb, 4); /* size of previous packet */
+ type = get_byte(s->pb);
+ size = get_be24(s->pb);
+ pts = get_be24(s->pb);
+ pts |= get_byte(s->pb) << 24;
// av_log(s, AV_LOG_DEBUG, "type:%d, size:%d, pts:%d\n", type, size, pts);
- if (url_feof(&s->pb))
+ if (url_feof(s->pb))
return AVERROR(EIO);
- url_fskip(&s->pb, 3); /* stream id, always 0 */
+ url_fskip(s->pb, 3); /* stream id, always 0 */
flags = 0;
if(size == 0)
continue;
- next= size + url_ftell(&s->pb);
+ next= size + url_ftell(s->pb);
if (type == FLV_TAG_TYPE_AUDIO) {
is_audio=1;
- flags = get_byte(&s->pb);
+ flags = get_byte(s->pb);
} else if (type == FLV_TAG_TYPE_VIDEO) {
is_audio=0;
- flags = get_byte(&s->pb);
+ flags = get_byte(s->pb);
} else {
if (type == FLV_TAG_TYPE_META && size > 13+1+4)
flv_read_metabody(s, next);
else /* skip packet */
av_log(s, AV_LOG_ERROR, "skipping flv packet: type %d, size %d, flags %d\n", type, size, flags);
- url_fseek(&s->pb, next, SEEK_SET);
+ url_fseek(s->pb, next, SEEK_SET);
continue;
}
||(st->discard >= AVDISCARD_BIDIR && ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && !is_audio))
|| st->discard >= AVDISCARD_ALL
){
- url_fseek(&s->pb, next, SEEK_SET);
+ url_fseek(s->pb, next, SEEK_SET);
continue;
}
if ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY)
}
// if not streamed and no duration from metadata then seek to end to find the duration from the timestamps
- if(!url_is_streamed(&s->pb) && s->duration==AV_NOPTS_VALUE){
+ if(!url_is_streamed(s->pb) && s->duration==AV_NOPTS_VALUE){
int size;
- const int pos= url_ftell(&s->pb);
- const int fsize= url_fsize(&s->pb);
- url_fseek(&s->pb, fsize-4, SEEK_SET);
- size= get_be32(&s->pb);
- url_fseek(&s->pb, fsize-3-size, SEEK_SET);
- if(size == get_be24(&s->pb) + 11){
- s->duration= get_be24(&s->pb) * (int64_t)AV_TIME_BASE / 1000;
+ const int pos= url_ftell(s->pb);
+ const int fsize= url_fsize(s->pb);
+ url_fseek(s->pb, fsize-4, SEEK_SET);
+ size= get_be32(s->pb);
+ url_fseek(s->pb, fsize-3-size, SEEK_SET);
+ if(size == get_be24(s->pb) + 11){
+ s->duration= get_be24(s->pb) * (int64_t)AV_TIME_BASE / 1000;
}
- url_fseek(&s->pb, pos, SEEK_SET);
+ url_fseek(s->pb, pos, SEEK_SET);
}
if(is_audio){
size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK);
}
- ret= av_get_packet(&s->pb, pkt, size - 1);
+ ret= av_get_packet(s->pb, pkt, size - 1);
if (ret <= 0) {
return AVERROR(EIO);
}
int index = av_index_search_timestamp(st, timestamp, flags);
if (index < 0)
return -1;
- url_fseek(&s->pb, st->index_entries[index].pos, SEEK_SET);
+ url_fseek(s->pb, st->index_entries[index].pos, SEEK_SET);
return 0;
}