int
ff_rm_parse_packet (AVFormatContext *s, AVIOContext *pb,
AVStream *st, RMStream *ast, int len, AVPacket *pkt,
int *seq, int flags, int64_t timestamp)
{
RMDemuxContext *rm = s->priv_data;
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
rm->current_stream= st->id;
if(rm_assemble_video_frame(s, pb, rm, ast, pkt, len, seq, ×tamp))
return -1; //got partial frame
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if ((ast->deint_id == DEINT_ID_GENR) ||
(ast->deint_id == DEINT_ID_INT4) ||
(ast->deint_id == DEINT_ID_SIPR)) {
int x;
int sps = ast->sub_packet_size;
int cfs = ast->coded_framesize;
int h = ast->sub_packet_h;
int y = ast->sub_packet_cnt;
int w = ast->audio_framesize;
if (flags & 2)
y = ast->sub_packet_cnt = 0;
if (!y)
ast->audiotimestamp = timestamp;
switch (ast->deint_id) {
case DEINT_ID_INT4:
for (x = 0; x < h/2; x++)
avio_read(pb, ast->pkt.data+x*2*w+y*cfs, cfs);
break;
case DEINT_ID_GENR:
for (x = 0; x < w/sps; x++)
avio_read(pb, ast->pkt.data+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), sps);
break;
case DEINT_ID_SIPR:
avio_read(pb, ast->pkt.data + y * w, w);
break;
}
if (++(ast->sub_packet_cnt) < h)
return -1;
if (ast->deint_id == DEINT_ID_SIPR)
ff_rm_reorder_sipr_data(ast->pkt.data, h, w);
ast->sub_packet_cnt = 0;
rm->audio_stream_num = st->index;
rm->audio_pkt_cnt = h * w / st->codec->block_align;
} else if ((ast->deint_id == DEINT_ID_VBRF) ||
static int Process( ffmpeg_video* p, const packet* Packet, const flowstate* State )
{
int Picture;
int Len;
if (Packet)
{
if (State->DropLevel)
{
if (State->DropLevel>1)
{
p->SkipToKey = 1;
p->DropToKey = 1;
p->Dropping = 1;
p->Context->hurry_up = 5;
}
else
p->Context->hurry_up = 1;
if (!SupportDrop(p))
p->Context->hurry_up = 0;
}
else
p->Context->hurry_up = 0;
if (!Packet->Key && p->DropToKey)
{
if (p->Dropping)
{
flowstate DropState;
DropState.CurrTime = TIME_UNKNOWN;
DropState.DropLevel = 1;
p->Codec.Out.Process(p->Codec.Out.Pin.Node,NULL,&DropState);
}
if (SupportDrop(p))
avcodec_flush_buffers(p->Context);
return ERR_DROPPING;
}
if (p->DropToKey)
p->DropToKey = 0;
if (Packet->RefTime >= 0)
p->Codec.Packet.RefTime = Packet->RefTime;
BufferPack(&p->Buffer,0);
if(p->Codec.In.Pin.Node->Class==FOURCC('R','V','_','0')&&
(p->Codec.In.Format.Format.Video.Pixel.FourCC == FOURCC('R','V','1','0')||
p->Codec.In.Format.Format.Video.Pixel.FourCC == FOURCC('R','V','2','0')||
p->Codec.In.Format.Format.Video.Pixel.FourCC == FOURCC('R','V','3','0')||
p->Codec.In.Format.Format.Video.Pixel.FourCC == FOURCC('R','V','4','0')))
{
int32_t ret = rm_assemble_video_frame(p,Packet);
if(ret != ERR_NONE)
return ERR_NEED_MORE_DATA;
}
else
{
BufferWrite(&p->Buffer,Packet->Data[0],Packet->Length,2048);
}
}
else
{
if (p->FrameTime<0)
p->Codec.Packet.RefTime = TIME_UNKNOWN;
else
if (!State)
p->Codec.Packet.RefTime += p->FrameTime;
if (!State && p->Buffer.WritePos == p->Buffer.ReadPos)
return ERR_NEED_MORE_DATA;
}
if (p->SkipToKey)
p->Picture->pict_type = 0;
Len = avcodec_decode_video(p->Context, p->Picture, &Picture, p->Buffer.Data + p->Buffer.ReadPos,
p->Buffer.WritePos - p->Buffer.ReadPos);
if (Len < 0)
{
BufferDrop(&p->Buffer);
return ERR_INVALID_DATA;
}
p->Buffer.ReadPos += Len;
if (!Picture)
{
if (p->SkipToKey>1 && p->Picture->pict_type)
--p->SkipToKey;
return ERR_NEED_MORE_DATA;
}
if (p->SkipToKey>0)
{
if ((!p->Picture->key_frame && p->Picture->pict_type) || p->SkipToKey>1)
{
if (p->SkipToKey>1)
--p->SkipToKey;
if (p->Dropping)
{
flowstate DropState;
DropState.CurrTime = TIME_UNKNOWN;
DropState.DropLevel = 1;
p->Codec.Out.Process(p->Codec.Out.Pin.Node,NULL,&DropState);
}
return ERR_DROPPING;
}
p->SkipToKey = 0;
}
if (p->Context->pix_fmt != p->PixelFormat ||
p->Context->sample_aspect_ratio.num != p->Aspect.num ||
p->Context->sample_aspect_ratio.den != p->Aspect.den ||
p->Context->width != p->Codec.Out.Format.Format.Video.Width ||
p->Context->height != p->Codec.Out.Format.Format.Video.Height ||
p->Picture->linesize[0] != p->Codec.Out.Format.Format.Video.Pitch)
{
if (!BuildOutputFormat(p))
return ERR_INVALID_DATA;
ConnectionUpdate(&p->Codec.Node,CODEC_OUTPUT,p->Codec.Out.Pin.Node,p->Codec.Out.Pin.No);
}
p->Codec.Packet.Data[0] = p->Picture->data[0];
p->Codec.Packet.Data[1] = p->Picture->data[1];
p->Codec.Packet.Data[2] = p->Picture->data[2];
return ERR_NONE;
}
