//#define DEBUG
+#define RV_GET_MAJOR_VER(x) ((x) >> 28)
+#define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
+#define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
+
#define DC_VLC_BITS 14 //FIXME find a better solution
static const uint16_t rv_lum_code[256] =
static int rv20_decode_picture_header(MpegEncContext *s)
{
int seq, mb_pos, i;
+ int rpr_bits;
#if 0
GetBitContext gb= s->gb;
av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
- if(s->avctx->sub_id == 0x30202002 || s->avctx->sub_id == 0x30203002){
- if (get_bits(&s->gb, 3)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown triplet set\n");
- return -1;
- }
- }
-
i= get_bits(&s->gb, 2);
switch(i){
case 0: s->pict_type= AV_PICTURE_TYPE_I; break;
}
if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
+ av_log(s->avctx, AV_LOG_ERROR, "reserved bit set\n");
return -1;
}
av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n");
return -1;
}
- if(s->avctx->sub_id == 0x30203002){
- if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit2 set\n");
- return -1;
- }
- }
- if(s->avctx->has_b_frames){
- int f, new_w, new_h;
- int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;
+ if(RV_GET_MINOR_VER(s->avctx->sub_id) >= 2)
+ s->loop_filter = get_bits1(&s->gb);
- if (get_bits1(&s->gb)){
- av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
- }
- seq= get_bits(&s->gb, 13)<<2;
+ if(RV_GET_MINOR_VER(s->avctx->sub_id) <= 1)
+ seq = get_bits(&s->gb, 8) << 7;
+ else
+ seq = get_bits(&s->gb, 13) << 2;
+
+ rpr_bits = s->avctx->extradata[1] & 7;
+ if(rpr_bits){
+ int f, new_w, new_h;
+ rpr_bits = FFMIN((rpr_bits >> 1) + 1, 3);
- f= get_bits(&s->gb, av_log2(v)+1);
+ f = get_bits(&s->gb, rpr_bits);
if(f){
new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
}
if(s->avctx->debug & FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
+ av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits);
}
- }else{
- seq= get_bits(&s->gb, 8)*128;
}
-// if(s->avctx->sub_id <= 0x20201002){ //0x20201002 definitely needs this
- mb_pos= ff_h263_decode_mba(s);
-/* }else{
- mb_pos= get_bits(&s->gb, av_log2(s->mb_num-1)+1);
- s->mb_x= mb_pos % s->mb_width;
- s->mb_y= mb_pos / s->mb_width;
- }*/
+ mb_pos = ff_h263_decode_mba(s);
+
//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
seq |= s->time &~0x7FFF;
if(seq - s->time > 0x4000) seq -= 0x8000;
av_log(s->avctx, AV_LOG_DEBUG, "\n");*/
s->no_rounding= get_bits1(&s->gb);
+ if(RV_GET_MINOR_VER(s->avctx->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B)
+ skip_bits(&s->gb, 5); // binary decoder reads 3+2 bits here but they don't seem to be used
+
s->f_code = 1;
s->unrestricted_mv = 1;
s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
{
MpegEncContext *s = avctx->priv_data;
static int done=0;
+ int major_ver, minor_ver, micro_ver;
if (avctx->extradata_size < 8) {
av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1;
avctx->sub_id= AV_RB32((uint8_t*)avctx->extradata + 4);
- if (avctx->sub_id == 0x10000000) {
- s->rv10_version= 0;
- s->low_delay=1;
- } else if (avctx->sub_id == 0x10001000) {
- s->rv10_version= 3;
- s->low_delay=1;
- } else if (avctx->sub_id == 0x10002000) {
- s->rv10_version= 3;
- s->low_delay=1;
- s->obmc=1;
- } else if (avctx->sub_id == 0x10003000) {
- s->rv10_version= 3;
- s->low_delay=1;
- } else if (avctx->sub_id == 0x10003001) {
- s->rv10_version= 3;
- s->low_delay=1;
- } else if ( avctx->sub_id == 0x20001000
- || (avctx->sub_id >= 0x20100000 && avctx->sub_id < 0x201a0000)) {
- s->low_delay=1;
- } else if ( avctx->sub_id == 0x30202002
- || avctx->sub_id == 0x30203002
- || (avctx->sub_id >= 0x20200002 && avctx->sub_id < 0x20300000)) {
- s->low_delay=0;
- s->avctx->has_b_frames=1;
- } else
+ major_ver = RV_GET_MAJOR_VER(avctx->sub_id);
+ minor_ver = RV_GET_MINOR_VER(avctx->sub_id);
+ micro_ver = RV_GET_MICRO_VER(avctx->sub_id);
+
+ s->low_delay = 1;
+ switch (major_ver) {
+ case 1:
+ s->rv10_version = micro_ver ? 3 : 1;
+ s->obmc = micro_ver == 2;
+ break;
+ case 2:
+ if (minor_ver >= 2) {
+ s->low_delay = 0;
+ s->avctx->has_b_frames = 1;
+ }
+ break;
+ default:
av_log(s->avctx, AV_LOG_ERROR, "unknown header %X\n", avctx->sub_id);
+ av_log_missing_feature(avctx, "RV1/2 version", 1);
+ return AVERROR_PATCHWELCOME;
+ }
if(avctx->debug & FF_DEBUG_PICT_INFO){
av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", avctx->sub_id, avctx->extradata_size >= 4 ? ((uint32_t*)avctx->extradata)[0] : -1);
}
AVCodec ff_rv10_decoder = {
- "rv10",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_RV10,
- sizeof(MpegEncContext),
- rv10_decode_init,
- NULL,
- rv10_decode_end,
- rv10_decode_frame,
- CODEC_CAP_DR1,
+ .name = "rv10",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_RV10,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = rv10_decode_init,
+ .close = rv10_decode_end,
+ .decode = rv10_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
.pix_fmts= ff_pixfmt_list_420,
};
AVCodec ff_rv20_decoder = {
- "rv20",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_RV20,
- sizeof(MpegEncContext),
- rv10_decode_init,
- NULL,
- rv10_decode_end,
- rv10_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_DELAY,
+ .name = "rv20",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_RV20,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = rv10_decode_init,
+ .close = rv10_decode_end,
+ .decode = rv10_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
projects / ffmpeg / blobdiff