X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh263.h;h=dbbe7cead8a9f57b75fd294396683188f0363830;hb=a0e1c3517a656dd32293f054a339e0ac73328138;hp=d45a52df638937d34d02440a149606d68f206ddd;hpb=fc53b6afee7cdf1b9125d2c5a43f3fe879d85f24;p=ffmpeg diff --git a/libavcodec/h263.h b/libavcodec/h263.h index d45a52df638..dbbe7cead8a 100644 --- a/libavcodec/h263.h +++ b/libavcodec/h263.h @@ -1,25 +1,35 @@ /* * H263 internal header * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_H263_H #define AVCODEC_H263_H +#include +#include "libavutil/rational.h" +#include "get_bits.h" +#include "mpegvideo.h" +#include "rl.h" + +#if !FF_API_ASPECT_EXTENDED +#define FF_ASPECT_EXTENDED 15 +#endif + // The defines below define the number of bits that are read at once for // reading vlc values. Changing these may improve speed and data cache needs // be aware though that decreasing them may need the number of stages that is @@ -32,73 +42,78 @@ extern const AVRational ff_h263_pixel_aspect[16]; extern const uint8_t ff_h263_cbpy_tab[16][2]; -extern const uint8_t cbpc_b_tab[4][2]; +extern const uint8_t ff_cbpc_b_tab[4][2]; -extern const uint8_t mvtab[33][2]; +extern const uint8_t ff_mvtab[33][2]; extern const uint8_t ff_h263_intra_MCBPC_code[9]; extern const uint8_t ff_h263_intra_MCBPC_bits[9]; extern const uint8_t ff_h263_inter_MCBPC_code[28]; extern const uint8_t ff_h263_inter_MCBPC_bits[28]; -extern const uint8_t h263_mbtype_b_tab[15][2]; +extern const uint8_t ff_h263_mbtype_b_tab[15][2]; extern VLC ff_h263_intra_MCBPC_vlc; extern VLC ff_h263_inter_MCBPC_vlc; extern VLC ff_h263_cbpy_vlc; +extern const uint16_t ff_inter_vlc[103][2]; +extern const int8_t ff_inter_level[102]; +extern const int8_t ff_inter_run[102]; + extern RLTable ff_h263_rl_inter; -extern RLTable rl_intra_aic; +extern RLTable ff_rl_intra_aic; -extern const uint16_t h263_format[8][2]; -extern const uint8_t modified_quant_tab[2][32]; +extern const uint16_t ff_h263_format[8][2]; +extern const uint8_t ff_modified_quant_tab[2][32]; extern uint16_t ff_mba_max[6]; extern uint8_t ff_mba_length[7]; extern uint8_t ff_h263_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3]; +extern const enum AVPixelFormat ff_h263_hwaccel_pixfmt_list_420[]; + -int h263_decode_motion(MpegEncContext * s, int pred, int f_code); +int ff_h263_decode_motion(MpegEncContext * s, int pred, int f_code); av_const int ff_h263_aspect_to_info(AVRational aspect); int ff_h263_decode_init(AVCodecContext *avctx); int ff_h263_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, + void *data, int *got_frame, AVPacket *avpkt); int ff_h263_decode_end(AVCodecContext *avctx); -void h263_encode_mb(MpegEncContext *s, - DCTELEM block[6][64], - int motion_x, int motion_y); -void h263_encode_picture_header(MpegEncContext *s, int picture_number); -void h263_encode_gob_header(MpegEncContext * s, int mb_line); -int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir, - int *px, int *py); -void h263_encode_init(MpegEncContext *s); -void h263_decode_init_vlc(MpegEncContext *s); -int h263_decode_picture_header(MpegEncContext *s); +void ff_h263_encode_mb(MpegEncContext *s, + int16_t block[6][64], + int motion_x, int motion_y); +void ff_h263_encode_picture_header(MpegEncContext *s, int picture_number); +void ff_h263_encode_gob_header(MpegEncContext * s, int mb_line); +int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir, + int *px, int *py); +void ff_h263_encode_init(MpegEncContext *s); +void ff_h263_decode_init_vlc(void); +int ff_h263_decode_picture_header(MpegEncContext *s); int ff_h263_decode_gob_header(MpegEncContext *s); void ff_h263_update_motion_val(MpegEncContext * s); void ff_h263_loop_filter(MpegEncContext * s); -void ff_set_qscale(MpegEncContext * s, int qscale); int ff_h263_decode_mba(MpegEncContext *s); void ff_h263_encode_mba(MpegEncContext *s); void ff_init_qscale_tab(MpegEncContext *s); -int h263_pred_dc(MpegEncContext * s, int n, int16_t **dc_val_ptr); -void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n); +int ff_h263_pred_dc(MpegEncContext * s, int n, int16_t **dc_val_ptr); +void ff_h263_pred_acdc(MpegEncContext * s, int16_t *block, int n); /** - * Prints picture info if FF_DEBUG_PICT_INFO is set. + * Print picture info if FF_DEBUG_PICT_INFO is set. */ void ff_h263_show_pict_info(MpegEncContext *s); int ff_intel_h263_decode_picture_header(MpegEncContext *s); int ff_h263_decode_mb(MpegEncContext *s, - DCTELEM block[6][64]); + int16_t block[6][64]); /** - * Returns the value of the 3bit "source format" syntax element. - * that represents some standard picture dimensions or indicates that + * Return the value of the 3bit "source format" syntax element. + * This represents some standard picture dimensions or indicates that * width&height are explicitly stored later. */ int av_const h263_get_picture_format(int width, int height); @@ -114,7 +129,7 @@ static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code int l, bit_size, code; if (val == 0) { - return mvtab[0][1]; + return ff_mvtab[0][1]; } else { bit_size = f_code - 1; /* modulo encoding */ @@ -123,7 +138,7 @@ static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code val--; code = (val >> bit_size) + 1; - return mvtab[code][1] + 1 + bit_size; + return ff_mvtab[code][1] + 1 + bit_size; } } @@ -139,11 +154,11 @@ static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y } static inline int get_p_cbp(MpegEncContext * s, - DCTELEM block[6][64], + int16_t block[6][64], int motion_x, int motion_y){ int cbp, i; - if(s->flags & CODEC_FLAG_CBP_RD){ + if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) { int best_cbpy_score= INT_MAX; int best_cbpc_score= INT_MAX; int cbpc = (-1), cbpy= (-1); @@ -182,7 +197,7 @@ static inline int get_p_cbp(MpegEncContext * s, for (i = 0; i < 6; i++) { if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){ s->block_last_index[i]= -1; - s->dsp.clear_block(s->block[i]); + s->bdsp.clear_block(s->block[i]); } } }else{ @@ -195,52 +210,11 @@ static inline int get_p_cbp(MpegEncContext * s, return cbp; } -static inline int get_b_cbp(MpegEncContext * s, DCTELEM block[6][64], - int motion_x, int motion_y, int mb_type){ - int cbp=0, i; - - if(s->flags & CODEC_FLAG_CBP_RD){ - int score=0; - const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); - - for(i=0; i<6; i++){ - if(s->coded_score[i] < 0){ - score += s->coded_score[i]; - cbp |= 1 << (5 - i); - } - } - - if(cbp){ - int zero_score= -6; - if ((motion_x | motion_y | s->dquant | mb_type) == 0){ - zero_score-= 4; //2*MV + mb_type + cbp bit - } - - zero_score*= lambda; - if(zero_score <= score){ - cbp=0; - } - } - - for (i = 0; i < 6; i++) { - if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){ - s->block_last_index[i]= -1; - s->dsp.clear_block(s->block[i]); - } - } - }else{ - for (i = 0; i < 6; i++) { - if (s->block_last_index[i] >= 0) - cbp |= 1 << (5 - i); - } - } - return cbp; -} - static inline void memsetw(short *tab, int val, int n) { int i; for(i=0;i