--- xvid.c 2002/05/02 22:35:08 1.14 +++ xvid.c 2002/06/21 16:12:47 1.20 @@ -1,43 +1,43 @@ -/************************************************************************** +/***************************************************************************** * - * XVID MPEG-4 VIDEO CODEC - * native api + * XVID MPEG-4 VIDEO CODEC + * - Native API implementation - * - * This program is an implementation of a part of one or more MPEG-4 - * Video tools as specified in ISO/IEC 14496-2 standard. Those intending - * to use this software module in hardware or software products are - * advised that its use may infringe existing patents or copyrights, and - * any such use would be at such party's own risk. The original - * developer of this software module and his/her company, and subsequent - * editors and their companies, will have no liability for use of this - * software or modifications or derivatives thereof. + * This program is an implementation of a part of one or more MPEG-4 + * Video tools as specified in ISO/IEC 14496-2 standard. Those intending + * to use this software module in hardware or software products are + * advised that its use may infringe existing patents or copyrights, and + * any such use would be at such party's own risk. The original + * developer of this software module and his/her company, and subsequent + * editors and their companies, will have no liability for use of this + * software or modifications or derivatives thereof. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This program is free software ; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation ; either version 2 of the License, or + * (at your option) any later version. * - * This program 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 General Public License for more details. + * This program 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 General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * You should have received a copy of the GNU General Public License + * along with this program ; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - *************************************************************************/ - -/************************************************************************** + ****************************************************************************/ +/***************************************************************************** * - * History: + * History * - * 17.03.2002 Added interpolate8x8_halfpel_hv_xmm - * 22.12.2001 API change: added xvid_init() - Isibaar - * 16.12.2001 inital version; (c)2001 peter ross + * - 17.03.2002 Added interpolate8x8_halfpel_hv_xmm + * - 22.12.2001 API change: added xvid_init() - Isibaar + * - 16.12.2001 inital version; (c)2001 peter ross * - *************************************************************************/ - + * $Id: xvid.c,v 1.20 2002/06/21 16:12:47 suxen_drol Exp $ + * + ****************************************************************************/ #include "xvid.h" #include "decoder.h" @@ -55,17 +55,35 @@ #include "utils/timer.h" #include "bitstream/mbcoding.h" -int xvid_init(void *handle, int opt, void *param1, void *param2) +/***************************************************************************** + * XviD Init Entry point + * + * Well this function initialize all internal function pointers according + * to the CPU features forced by the library client or autodetected (depending + * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all + * image colorspace transformation tables. + * + * Returned value : XVID_ERR_OK + * + API_VERSION in the input XVID_INIT_PARAM structure + * + core build " " " " " + * + ****************************************************************************/ + +int +xvid_init(void *handle, + int opt, + void *param1, + void *param2) { int cpu_flags; XVID_INIT_PARAM *init_param; init_param = (XVID_INIT_PARAM *) param1; - // force specific cpu settings? - if((init_param->cpu_flags & XVID_CPU_FORCE) > 0) + /* Do we have to force CPU features ? */ + if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) { cpu_flags = init_param->cpu_flags; - else { + } else { #ifdef ARCH_X86 cpu_flags = check_cpu_features(); @@ -75,142 +93,205 @@ init_param->cpu_flags = cpu_flags; } - // initialize the function pointers + /* Initialize the function pointers */ idct_int32_init(); init_vlc_tables(); + /* Fixed Point Forward/Inverse DCT transformations */ fdct = fdct_int32; idct = idct_int32; + /* Only needed on PPC Altivec archs */ sadInit = 0; - + + /* Restore FPU context : emms_c is a nop functions */ emms = emms_c; - quant_intra = quant_intra_c; + /* Quantization functions */ + quant_intra = quant_intra_c; dequant_intra = dequant_intra_c; - quant_inter = quant_inter_c; + quant_inter = quant_inter_c; dequant_inter = dequant_inter_c; - quant4_intra = quant4_intra_c; + quant4_intra = quant4_intra_c; dequant4_intra = dequant4_intra_c; - quant4_inter = quant4_inter_c; + quant4_inter = quant4_inter_c; dequant4_inter = dequant4_inter_c; + /* Block transfer related functions */ transfer_8to16copy = transfer_8to16copy_c; transfer_16to8copy = transfer_16to8copy_c; - transfer_8to16sub = transfer_8to16sub_c; + transfer_8to16sub = transfer_8to16sub_c; transfer_8to16sub2 = transfer_8to16sub2_c; - transfer_16to8add = transfer_16to8add_c; - transfer8x8_copy = transfer8x8_copy_c; + transfer_16to8add = transfer_16to8add_c; + transfer8x8_copy = transfer8x8_copy_c; - interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c; - interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c; + /* Image interpolation related functions */ + interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c; + interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c; interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c; + /* Initialize internal colorspace transformation tables */ colorspace_init(); + /* All colorspace transformation functions User Format->YV12 */ rgb555_to_yv12 = rgb555_to_yv12_c; rgb565_to_yv12 = rgb565_to_yv12_c; - rgb24_to_yv12 = rgb24_to_yv12_c; - rgb32_to_yv12 = rgb32_to_yv12_c; - yuv_to_yv12 = yuv_to_yv12_c; - yuyv_to_yv12 = yuyv_to_yv12_c; - uyvy_to_yv12 = uyvy_to_yv12_c; + rgb24_to_yv12 = rgb24_to_yv12_c; + rgb32_to_yv12 = rgb32_to_yv12_c; + yuv_to_yv12 = yuv_to_yv12_c; + yuyv_to_yv12 = yuyv_to_yv12_c; + uyvy_to_yv12 = uyvy_to_yv12_c; + /* All colorspace transformation functions YV12->User format */ yv12_to_rgb555 = yv12_to_rgb555_c; yv12_to_rgb565 = yv12_to_rgb565_c; - yv12_to_rgb24 = yv12_to_rgb24_c; - yv12_to_rgb32 = yv12_to_rgb32_c; - yv12_to_yuv = yv12_to_yuv_c; - yv12_to_yuyv = yv12_to_yuyv_c; - yv12_to_uyvy = yv12_to_uyvy_c; + yv12_to_rgb24 = yv12_to_rgb24_c; + yv12_to_rgb32 = yv12_to_rgb32_c; + yv12_to_yuv = yv12_to_yuv_c; + yv12_to_yuyv = yv12_to_yuyv_c; + yv12_to_uyvy = yv12_to_uyvy_c; + /* Functions used in motion estimation algorithms */ calc_cbp = calc_cbp_c; - sad16 = sad16_c; - sad16bi = sad16bi_c; - sad8 = sad8_c; - dev16 = dev16_c; + sad16 = sad16_c; + sad16bi = sad16bi_c; + sad8 = sad8_c; + dev16 = dev16_c; #ifdef ARCH_X86 - if((cpu_flags & XVID_CPU_MMX) > 0) { + if ((cpu_flags & XVID_CPU_MMX) > 0) { + + /* Forward and Inverse Discrete Cosine Transformation functions */ fdct = fdct_mmx; idct = idct_mmx; + /* To restore FPU context after mmx use */ emms = emms_mmx; - quant_intra = quant_intra_mmx; + /* Quantization related functions */ + quant_intra = quant_intra_mmx; dequant_intra = dequant_intra_mmx; - quant_inter = quant_inter_mmx; + quant_inter = quant_inter_mmx; dequant_inter = dequant_inter_mmx; - quant4_intra = quant4_intra_mmx; + quant4_intra = quant4_intra_mmx; dequant4_intra = dequant4_intra_mmx; - quant4_inter = quant4_inter_mmx; + quant4_inter = quant4_inter_mmx; dequant4_inter = dequant4_inter_mmx; + /* Block related functions */ transfer_8to16copy = transfer_8to16copy_mmx; transfer_16to8copy = transfer_16to8copy_mmx; - transfer_8to16sub = transfer_8to16sub_mmx; - transfer_16to8add = transfer_16to8add_mmx; - transfer8x8_copy = transfer8x8_copy_mmx; - - interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx; - interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx; + transfer_8to16sub = transfer_8to16sub_mmx; + transfer_16to8add = transfer_16to8add_mmx; + transfer8x8_copy = transfer8x8_copy_mmx; + + /* Image Interpolation related functions */ + interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx; + interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx; interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx; + /* Image RGB->YV12 related functions */ rgb24_to_yv12 = rgb24_to_yv12_mmx; rgb32_to_yv12 = rgb32_to_yv12_mmx; - yuv_to_yv12 = yuv_to_yv12_mmx; - yuyv_to_yv12 = yuyv_to_yv12_mmx; - uyvy_to_yv12 = uyvy_to_yv12_mmx; + yuv_to_yv12 = yuv_to_yv12_mmx; + yuyv_to_yv12 = yuyv_to_yv12_mmx; + uyvy_to_yv12 = uyvy_to_yv12_mmx; + /* Image YV12->RGB related functions */ yv12_to_rgb24 = yv12_to_rgb24_mmx; yv12_to_rgb32 = yv12_to_rgb32_mmx; - yv12_to_yuyv = yv12_to_yuyv_mmx; - yv12_to_uyvy = yv12_to_uyvy_mmx; + yv12_to_yuyv = yv12_to_yuyv_mmx; + yv12_to_uyvy = yv12_to_uyvy_mmx; + /* Motion estimation related functions */ calc_cbp = calc_cbp_mmx; - sad16 = sad16_mmx; - sad8 = sad8_mmx; - dev16 = dev16_mmx; + sad16 = sad16_mmx; + sad8 = sad8_mmx; + dev16 = dev16_mmx; } - if((cpu_flags & XVID_CPU_MMXEXT) > 0) { + if ((cpu_flags & XVID_CPU_MMXEXT) > 0) { + + /* Inverse DCT */ idct = idct_xmm; - interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm; - interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm; + + /* Interpolation */ + interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm; + interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm; interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm; + + /* Buffer transfer */ + transfer_8to16sub2 = transfer_8to16sub2_xmm; + + /* Colorspace transformation */ yuv_to_yv12 = yuv_to_yv12_xmm; + /* ME functions */ sad16 = sad16_xmm; - sad8 = sad8_xmm; + sad8 = sad8_xmm; dev16 = dev16_xmm; } - if((cpu_flags & XVID_CPU_3DNOW) > 0) { + if ((cpu_flags & XVID_CPU_3DNOW) > 0) { + + /* Interpolation */ interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn; interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn; interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn; } - if((cpu_flags & XVID_CPU_SSE2) > 0) { + if ((cpu_flags & XVID_CPU_SSE2) > 0) { #ifdef EXPERIMENTAL_SSE2_CODE - quant_intra = quant_intra_sse2; + + /* Quantization */ + quant_intra = quant_intra_sse2; dequant_intra = dequant_intra_sse2; - quant_inter = quant_inter_sse2; + quant_inter = quant_inter_sse2; dequant_inter = dequant_inter_sse2; + /* ME */ calc_cbp = calc_cbp_sse2; - sad16 = sad16_sse2; - dev16 = dev16_sse2; - idct = idct_sse2; + sad16 = sad16_sse2; + dev16 = dev16_sse2; + + /* Forward and Inverse DCT */ + idct = idct_sse2; fdct = fdct_sse2; #endif } #endif + +#ifdef ARCH_IA64 + if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines? + idct_ia64_init(); + fdct = fdct_ia64; + idct = idct_ia64; //not yet working, crashes + interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64; + interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64; + interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64; + sad16 = sad16_ia64; + sad16bi = sad16bi_ia64; + sad8 = sad8_ia64; + dev16 = dev16_ia64; + quant_intra = quant_intra_ia64; + dequant_intra = dequant_intra_ia64; + quant_inter = quant_inter_ia64; + dequant_inter = dequant_inter_ia64; + transfer_8to16copy = transfer_8to16copy_ia64; + transfer_16to8copy = transfer_16to8copy_ia64; + transfer_8to16sub = transfer_8to16sub_ia64; + transfer_8to16sub2 = transfer_8to16sub2_ia64; + transfer_16to8add = transfer_16to8add_ia64; + transfer8x8_copy = transfer8x8_copy_ia64; + DEBUG("Using IA-64 assembler routines.\n"); + } +#endif + #ifdef ARCH_PPC #ifdef ARCH_PPC_ALTIVEC calc_cbp = calc_cbp_altivec; @@ -224,49 +305,82 @@ calc_cbp = calc_cbp_ppc; #endif #endif - - // API version + + /* Inform the client the API version */ init_param->api_version = API_VERSION; - // something clever has to be done for this + /* Inform the client the core build - unused because we're still alpha */ init_param->core_build = 1000; return XVID_ERR_OK; } -int xvid_decore(void * handle, int opt, void * param1, void * param2) +/***************************************************************************** + * XviD Native decoder entry point + * + * This function is just a wrapper to all the option cases. + * + * Returned values : XVID_ERR_FAIL when opt is invalid + * else returns the wrapped function result + * + ****************************************************************************/ + +int +xvid_decore(void *handle, + int opt, + void *param1, + void *param2) { - switch (opt) - { - case XVID_DEC_DECODE : - return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1); - - case XVID_DEC_CREATE : - return decoder_create((XVID_DEC_PARAM *) param1); - - case XVID_DEC_DESTROY : - return decoder_destroy((DECODER *) handle); + switch (opt) { + case XVID_DEC_DECODE: + return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1); + + case XVID_DEC_CREATE: + return decoder_create((XVID_DEC_PARAM *) param1); + + case XVID_DEC_DESTROY: + return decoder_destroy((DECODER *) handle); default: - return XVID_ERR_FAIL; - } + return XVID_ERR_FAIL; + } } -int xvid_encore(void * handle, int opt, void * param1, void * param2) +/***************************************************************************** + * XviD Native encoder entry point + * + * This function is just a wrapper to all the option cases. + * + * Returned values : XVID_ERR_FAIL when opt is invalid + * else returns the wrapped function result + * + ****************************************************************************/ + +int +xvid_encore(void *handle, + int opt, + void *param1, + void *param2) { - switch (opt) - { - case XVID_ENC_ENCODE : - return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1, (XVID_ENC_STATS *) param2); - - case XVID_ENC_CREATE : - return encoder_create((XVID_ENC_PARAM *) param1); - - case XVID_ENC_DESTROY : - return encoder_destroy((Encoder *) handle); + switch (opt) { + case XVID_ENC_ENCODE: +#ifdef BFRAMES + if (((Encoder *) handle)->mbParam.max_bframes >= 0) + return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1, + (XVID_ENC_STATS *) param2); + else +#endif + return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1, + (XVID_ENC_STATS *) param2); + + case XVID_ENC_CREATE: + return encoder_create((XVID_ENC_PARAM *) param1); + + case XVID_ENC_DESTROY: + return encoder_destroy((Encoder *) handle); default: - return XVID_ERR_FAIL; - } + return XVID_ERR_FAIL; + } }