*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
*/
//@{
int profile; ///< 2bits, Profile
- int frmrtq_postproc; ///< 3bits,
+ int frmrtq_postproc; ///< 3bits,
int bitrtq_postproc; ///< 5bits, quantized framerate-based postprocessing strength
int fastuvmc; ///< Rounding of qpel vector to hpel ? (not in Simple)
int extended_mv; ///< Ext MV in P/B (not in Simple)
}
#endif
-/**
+/**
* Decode Simple/Main Profiles sequence header
* @see Figure 7-8, p16-17
* @param avctx Codec context
* @todo TODO: Take into account stride
* @todo TODO: Allow use of external buffers ?
*/
-int alloc_bitplane(BitPlane *bp, int width, int height)
+static int alloc_bitplane(BitPlane *bp, int width, int height)
{
if (!bp || bp->width<0 || bp->height<0) return -1;
bp->data = (uint8_t*)av_malloc(width*height);
if (!bp->data) return -1;
- bp->width = bp->stride = width;
+ bp->width = bp->stride = width;
bp->height = height;
return 0;
}
/** Free the bitplane's buffer
* @param bp Bitplane which buffer is to free
*/
-void free_bitplane(BitPlane *bp)
+static void free_bitplane(BitPlane *bp)
{
bp->width = bp->stride = bp->height = 0;
if (bp->data) av_freep(&bp->data);
if (!get_bits(gb, 1)) //rowskip
memset(plane, 0, width);
else
- for (x=0; x<width; x++)
+ for (x=0; x<width; x++)
plane[x] = get_bits(gb, 1);
plane += stride;
}
}
/***********************************************************************/
-/**
+/**
* @defgroup all_frame_hdr All VC9 profiles frame header
* @brief Part of the frame header decoding from all profiles
* @warning Only pro/epilog differs between Simple/Main and Advanced => check caller
/***********************************************************************/
-/**
+/**
* @defgroup std_frame_hdr VC9 Simple/Main Profiles header decoding
* @brief Part of the frame header decoding belonging to Simple/Main Profiles
* @warning Only pro/epilog differs between Simple/Main and Advanced =>
#if HAS_ADVANCED_PROFILE
/***********************************************************************/
-/**
+/**
* @defgroup adv_frame_hdr VC9 Advanced Profile header decoding
* @brief Part of the frame header decoding belonging to Advanced Profiles
* @warning Only pro/epilog differs between Simple/Main and Advanced =>
* check caller
* @{
*/
-/** Frame header decoding, primary part
+/** Frame header decoding, primary part
* @param v VC9 context
* @return Status
*/
case P_TYPE: status = decode_p_picture_secondary_header(v); break;
case B_TYPE: status = decode_b_picture_secondary_header(v); break;
case BI_TYPE:
- case I_TYPE: status = decode_i_picture_secondary_header(v); break;
+ case I_TYPE: status = decode_i_picture_secondary_header(v); break;
}
if (status<0) return FRAME_SKIPPED;
/** @} */ //End for adv_frame_hdr
/***********************************************************************/
-/**
+/**
* @defgroup block VC9 Block-level functions
* @see 7.1.4, p91 and 8.1.1.7, p(1)04
* @todo TODO: Integrate to MpegEncContext facilities
int a, b, c, wrap, pred, scale;
int16_t *dc_val;
static const uint16_t dcpred[31] = {
- 1024, 512, 341, 256, 205, 171, 146, 128,
- 114, 102, 93, 85, 79, 73, 68, 64,
- 60, 57, 54, 51, 49, 47, 45, 43,
+ 1024, 512, 341, 256, 205, 171, 146, 128,
+ 114, 102, 93, 85, 79, 73, 68, 64,
+ 60, 57, 54, 51, 49, 47, 45, 43,
41, 39, 38, 37, 35, 34, 33
};
dc_val= s->dc_val[0] + s->block_index[n];
/* B C
- * A X
+ * A X
*/
a = dc_val[ - 1];
b = dc_val[ - 1 - wrap];
c = dc_val[ - wrap];
/* XXX: Rule B is used only for I and BI frames in S/M/C profile
- * with overlap filtering off
+ * with overlap filtering off
*/
if ((s->pict_type == I_TYPE || s->pict_type == BI_TYPE) &&
1 /* XXX: overlap filtering off */)
* @todo TODO: Process the blocks
* @todo TODO: Use M$ MPEG-4 cbp prediction
*/
-int vc9_decode_block(VC9Context *v, DCTELEM block[64], int n, int coded, int mquant)
+static int vc9_decode_block(VC9Context *v, DCTELEM block[64], int n, int coded, int mquant)
{
GetBitContext *gb = &v->s.gb;
MpegEncContext *s = &v->s;
/** @} */ //End for group block
/***********************************************************************/
-/**
+/**
* @defgroup std_mb VC9 Macroblock-level functions in Simple/Main Profiles
* @see 7.1.4, p91 and 8.1.1.7, p(1)04
* @todo TODO: Integrate to MpegEncContext facilities
wrap = s->b8_stride;
/* B C
- * A X
+ * A X
*/
a = s->coded_block[xy - 1 ];
b = s->coded_block[xy - 1 - wrap];
/** Decode one I-frame MB (in Simple/Main profile)
* @todo TODO: Extend to AP
*/
-int vc9_decode_i_mb(VC9Context *v, DCTELEM block[6][64])
+static int vc9_decode_i_mb(VC9Context *v, DCTELEM block[6][64])
{
int i, cbp, val;
uint8_t *coded_val;
- uint32_t * const mb_type_ptr= &v->s.current_picture.mb_type[ v->s.mb_x + v->s.mb_y*v->s.mb_stride ];
+// uint32_t * const mb_type_ptr= &v->s.current_picture.mb_type[ v->s.mb_x + v->s.mb_y*v->s.mb_stride ];
v->s.mb_intra = 1;
cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
* @todo TODO: Extend to AP
* @fixme FIXME: DC value for inter blocks not set
*/
-int vc9_decode_p_mb(VC9Context *v, DCTELEM block[6][64])
+static int vc9_decode_p_mb(VC9Context *v, DCTELEM block[6][64])
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
int i, mb_offset = s->mb_x + s->mb_y*s->mb_width; /* XXX: mb_stride */
int cbp; /* cbp decoding stuff */
int hybrid_pred; /* Prediction types */
- int mv_mode_bit = 0;
+ int mv_mode_bit = 0;
int mqdiff, mquant; /* MB quantization */
int ttmb; /* MB Transform type */
int status;
* @warning XXX: Used for decoding BI MBs
* @fixme FIXME: DC value for inter blocks not set
*/
-int vc9_decode_b_mb(VC9Context *v, DCTELEM block[6][64])
+static int vc9_decode_b_mb(VC9Context *v, DCTELEM block[6][64])
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &v->s.gb;
#if HAS_ADVANCED_PROFILE
/***********************************************************************/
-/**
+/**
* @defgroup adv_mb VC9 Macroblock-level functions in Advanced Profile
* @todo TODO: Integrate to MpegEncContext facilities
* @todo TODO: Code P, B and BI
return -1;
if (vc9_init_common(v) < 0) return -1;
+ av_log(avctx, AV_LOG_INFO, "This decoder is not supposed to produce picture. Dont report this as a bug!\n");
+
avctx->coded_width = avctx->width;
avctx->coded_height = avctx->height;
if (avctx->codec_id == CODEC_ID_WMV3)
if (scp != 0x000001)
break; // eof ?
- scs = buf[i++];
+ scs = buf[i++];
init_get_bits(gb, buf+i, (buf_size-i)*8);
assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
- if(s->pict_type==B_TYPE || s->low_delay){
- *pict= *(AVFrame*)&s->current_picture;
+
+ if (s->pict_type == B_TYPE || s->low_delay) {
+ *pict= *(AVFrame*)s->current_picture_ptr;
+ } else if (s->last_picture_ptr != NULL) {
+ *pict= *(AVFrame*)s->last_picture_ptr;
+ }
+
+ if(s->last_picture_ptr || s->low_delay){
+ *data_size = sizeof(AVFrame);
ff_print_debug_info(s, pict);
- } else {
- *pict= *(AVFrame*)&s->last_picture;
- if(pict)
- ff_print_debug_info(s, pict);
}
/* Return the Picture timestamp as the frame number */
/* we substract 1 because it is added on utils.c */
avctx->frame_number = s->picture_number - 1;
- /* dont output the last pic after seeking */
- if(s->last_picture_ptr || s->low_delay)
- *data_size = sizeof(AVFrame);
-
av_log(avctx, AV_LOG_DEBUG, "Consumed %i/%i bits\n",
get_bits_count(&s->gb), buf_size*8);
projects / ffmpeg / blobdiff