From b0cb3e8662db62ab8f4a33806f4b7c60fb0a4ec2 Mon Sep 17 00:00:00 2001 From: Marten Richter Date: Sun, 19 Aug 2012 19:50:04 +0200 Subject: [PATCH] Custom libav + transcode patches + first mpeg2 playback through transcoding --- GNUmakefile | 6 +- defines.h | 3 +- osdopengl.cc | 11 +- raspi-patches/fetch_libav.sh | 12 + raspi-patches/libav_transcode.patch | 1484 +++++++++++++++++++++++++++ raspi-patches/readme.txt | 4 + videovpeogl.cc | 415 +++++++- videovpeogl.h | 64 +- 8 files changed, 1973 insertions(+), 26 deletions(-) mode change 100755 => 100644 GNUmakefile mode change 100755 => 100644 defines.h mode change 100755 => 100644 osdopengl.cc create mode 100755 raspi-patches/fetch_libav.sh create mode 100644 raspi-patches/libav_transcode.patch create mode 100644 raspi-patches/readme.txt mode change 100755 => 100644 videovpeogl.cc mode change 100755 => 100644 videovpeogl.h diff --git a/GNUmakefile b/GNUmakefile old mode 100755 new mode 100644 index e5f4395..6964c7d --- a/GNUmakefile +++ b/GNUmakefile @@ -56,12 +56,12 @@ endif ifeq ($(vomp_platform),raspberry) $(info Raspberry pi flags) LDFLAGS = -Wall -LIBS = -L/opt/vc/lib -lpthread -lrt -lEGL -lGLESv2 -lopenmaxil -lbcm_host -lavcodec -lavformat -lavutil +LIBS = -L/opt/vc/lib -lpthread -lrt -lEGL -lGLESv2 -lopenmaxil -lbcm_host OBJECTS += main.o threadp.o osdopengl.o surfaceopengl.o ledraspberry.o mtdraspberry.o videovpeogl.o audiovpe.o wjpegsimple.o remotelinux.o glshader.o glosdshader.o glyuv400shader.o glyuv444shader.o glmocoshader.o LIBS+= -ljpeg -CROSSLIBS = -INCLUDES = -DVOMP_PLATTFORM_RASPBERRY -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads +CROSSLIBS = ../libav/libavformat/libavformat.a ../libav/libavcodec/libavcodec.a ../libav/libavutil/libavutil.a +INCLUDES = -DVOMP_PLATTFORM_RASPBERRY -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I../libav CXXFLAGS_DEV += -D__STDC_CONSTANT_MACROS CXXFLAGS_REL += -D__STDC_CONSTANT_MACROS diff --git a/defines.h b/defines.h old mode 100755 new mode 100644 index a46a06d..0e6648a --- a/defines.h +++ b/defines.h @@ -104,7 +104,8 @@ long long getTimeMS(); #define VPE_OMX_VIDEO_DEINTERLACE "OMX.broadcom.image_fx" #define VPE_OMX_CLOCK "OMX.broadcom.clock" - #define VPE_LIBAV_SUPPORT + //#define VPE_LIBAV_SUPPORT + #define VPE_LIBAV_MPEG2_TRANSCODING #endif #ifdef VOMP_PLATTFORM_MVP diff --git a/osdopengl.cc b/osdopengl.cc old mode 100755 new mode 100644 index f0bc96b..545b5cb --- a/osdopengl.cc +++ b/osdopengl.cc @@ -416,7 +416,9 @@ void OsdOpenGL::threadMethod() { ts=10; unsigned int waittime=10; + if (initted){ +#ifdef VPE_LIBAV_SUPPORT if (!frame) frame=video->getReadyOGLFrame(); if (frame) { InternalRendering(frame); @@ -424,16 +426,23 @@ void OsdOpenGL::threadMethod() lastrendertime=getTimeMS(); video->returnOGLFrame(frame); //please recycle it frame=NULL; - } else { + + } + else +#endif + { long long time1=getTimeMS(); if ((time1-lastrendertime)>200) {//5 fps for OSD updates are enough, avoids tearing InternalRendering(NULL); lastrendertime=getTimeMS(); } } +#ifdef VPE_LIBAV_SUPPORT frame=video->getReadyOGLFrame(); +#endif } + if (frame) ts=0; threadCheckExit(); if (ts!=0) { diff --git a/raspi-patches/fetch_libav.sh b/raspi-patches/fetch_libav.sh new file mode 100755 index 0000000..908c957 --- /dev/null +++ b/raspi-patches/fetch_libav.sh @@ -0,0 +1,12 @@ +#! /bin/bash +echo "Fetch libav from git" +cd .. +cd .. +#git clone git://git.libav.org/libav.git +cd libav +git checkout 5467742232c312b7d61dca7ac57447f728d8d6c9 +git apply ../vompclient-raspi/raspi-patches/libav_transcode.patch +echo "git fetch done. Now configure!" +./configure --enable-gpl --disable-everything --enable-decoder=mpeg_mpeg4 --enable-decoder=mpeg4 --enable-decoder=mpeg2video --enable-decoder=mpeg_xvmc --enable-decoder=mp2 --enable-decoder=mp3 --enable-decoder=ac3 --enable-decoder=eac3 --enable-encoder=mpeg4 --enable-avconv --enable-dct --enable-mdct --enable-rdft --enable-fft --enable-armv6 --enable-armv5te --enable-armvfp --enable-yasm +echo "Type make for making your local copy of libav, will take a long time!" + diff --git a/raspi-patches/libav_transcode.patch b/raspi-patches/libav_transcode.patch new file mode 100644 index 0000000..7873934 --- /dev/null +++ b/raspi-patches/libav_transcode.patch @@ -0,0 +1,1484 @@ +From a1960a00ad4c6f67917f5f4bfcbf739634958dd6 Mon Sep 17 00:00:00 2001 +From: Marten Richter +Date: Sun, 19 Aug 2012 13:58:58 +0200 +Subject: [PATCH] Add transcoding Mpeg2 to Mpeg4 code initial revision + +--- + libavcodec/Makefile | 2 + + libavcodec/allcodecs.c | 1 + + libavcodec/avcodec.h | 5 + + libavcodec/mpeg12.c | 82 +++- + libavcodec/mpeg4video.h | 5 + + libavcodec/mpeg4videodec.c | 2 +- + libavcodec/mpeg4videoenc.c | 32 +- + libavcodec/mpegvideo.c | 16 +- + libavcodec/mpegvideo.h | 6 + + libavcodec/mpegvideo_enc.c | 8 +- + libavcodec/mpegvideo_transcode.c | 888 ++++++++++++++++++++++++++++++++++++++ + libavcodec/transcode.h | 69 +++ + libavcodec/transcode_internal.h | 34 ++ + libavutil/pixfmt.h | 2 + + 14 files changed, 1138 insertions(+), 14 deletions(-) + create mode 100644 libavcodec/mpegvideo_transcode.c + create mode 100644 libavcodec/transcode.h + create mode 100644 libavcodec/transcode_internal.h + +diff --git a/libavcodec/Makefile b/libavcodec/Makefile +index 77126a6..46f1efc 100644 +--- a/libavcodec/Makefile ++++ b/libavcodec/Makefile +@@ -9,6 +9,7 @@ HEADERS = avcodec.h \ + vdpau.h \ + version.h \ + xvmc.h \ ++ transcode.h \ + + OBJS = allcodecs.o \ + audioconvert.o \ +@@ -264,6 +265,7 @@ OBJS-$(CONFIG_MPC7_DECODER) += mpc7.o mpc.o mpegaudiodec.o \ + OBJS-$(CONFIG_MPC8_DECODER) += mpc8.o mpc.o mpegaudiodec.o \ + mpegaudiodecheader.o mpegaudio.o \ + mpegaudiodata.o ++OBJS-$(CONFIG_MPEG_MPEG4_DECODER) += mpegvideo_transcode.o + OBJS-$(CONFIG_MPEG_XVMC_DECODER) += mpegvideo_xvmc.o + OBJS-$(CONFIG_MPEG1VIDEO_DECODER) += mpeg12.o mpeg12data.o \ + mpegvideo.o error_resilience.o +diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c +index cb08e33..00fc162 100644 +--- a/libavcodec/allcodecs.c ++++ b/libavcodec/allcodecs.c +@@ -146,6 +146,7 @@ void avcodec_register_all(void) + REGISTER_DECODER (MMVIDEO, mmvideo); + REGISTER_DECODER (MOTIONPIXELS, motionpixels); + REGISTER_DECODER (MPEG_XVMC, mpeg_xvmc); ++ REGISTER_DECODER (MPEG_MPEG4, mpeg_mpeg4); + REGISTER_ENCDEC (MPEG1VIDEO, mpeg1video); + REGISTER_ENCDEC (MPEG2VIDEO, mpeg2video); + REGISTER_ENCDEC (MPEG4, mpeg4); +diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h +index 2b70b96..0cbd733 100644 +--- a/libavcodec/avcodec.h ++++ b/libavcodec/avcodec.h +@@ -257,6 +257,7 @@ enum CodecID { + CODEC_ID_ZEROCODEC, + CODEC_ID_MSS1, + CODEC_ID_MSA1, ++ CODEC_ID_MPEG2VIDEO_MPEG4, + + /* various PCM "codecs" */ + CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs +@@ -696,6 +697,10 @@ typedef struct RcOverride{ + * Audio encoder supports receiving a different number of samples in each call. + */ + #define CODEC_CAP_VARIABLE_FRAME_SIZE 0x10000 ++/** ++ * Codec can export data for transcoding (AV). ++ */ ++#define CODEC_CAP_HWACCEL_TRANSCODE 0x20000 + + //The following defines may change, don't expect compatibility if you use them. + #define MB_TYPE_INTRA4x4 0x0001 +diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c +index c40649d..01133e5 100644 +--- a/libavcodec/mpeg12.c ++++ b/libavcodec/mpeg12.c +@@ -37,6 +37,7 @@ + #include "bytestream.h" + #include "vdpau_internal.h" + #include "xvmc_internal.h" ++#include "transcode_internal.h" + #include "thread.h" + + //#undef NDEBUG +@@ -1183,6 +1184,8 @@ static enum PixelFormat mpeg_get_pixelformat(AVCodecContext *avctx) + + if (avctx->xvmc_acceleration) + return avctx->get_format(avctx, pixfmt_xvmc_mpg2_420); ++ else if (avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) ++ return PIX_FMT_TRANSCODE; + else if (avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) { + if (avctx->codec_id == CODEC_ID_MPEG1VIDEO) + return PIX_FMT_VDPAU_MPEG1; +@@ -1289,7 +1292,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx) + // until then pix_fmt may be changed right after codec init + if (avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT || + avctx->hwaccel || +- s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU || ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) + if (avctx->idct_algo == FF_IDCT_AUTO) + avctx->idct_algo = FF_IDCT_SIMPLE; + +@@ -1305,8 +1309,14 @@ static int mpeg_decode_postinit(AVCodecContext *avctx) + quant_matrix_rebuild(s->chroma_intra_matrix, old_permutation, s->dsp.idct_permutation); + quant_matrix_rebuild(s->chroma_inter_matrix, old_permutation, s->dsp.idct_permutation); + ++ if (CONFIG_MPEG_MPEG4_DECODER && s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) { ++ if (ff_mpeg_transcode_decode_postinit(avctx)<0) ++ return -2; ++ } + s1->mpeg_enc_ctx_allocated = 1; + } ++ ++ + return 0; + } + +@@ -1916,7 +1926,8 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict) + + ff_MPV_frame_end(s); + +- if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { ++ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay ++ || (s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE)) {//no reordering for transcoding + *pict = s->current_picture_ptr->f; + ff_print_debug_info(s, pict); + } else { +@@ -2034,7 +2045,8 @@ static int vcr2_init_sequence(AVCodecContext *avctx) + avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt); + + if (avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT || avctx->hwaccel || +- s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU || ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) + if (avctx->idct_algo == FF_IDCT_AUTO) + avctx->idct_algo = FF_IDCT_SIMPLE; + +@@ -2262,7 +2274,8 @@ static int decode_chunks(AVCodecContext *avctx, + ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count); + + if (slice_end(avctx, picture)) { +- if (s2->last_picture_ptr || s2->low_delay) //FIXME merge with the stuff in mpeg_decode_slice ++ if (s2->last_picture_ptr || s2->low_delay || ++ (avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) ) //FIXME merge with the stuff in mpeg_decode_slice + *data_size = sizeof(AVPicture); + } + } +@@ -2528,6 +2541,67 @@ AVCodec ff_mpeg2video_decoder = { + .profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles), + }; + ++#if CONFIG_MPEG_MPEG4_DECODER ++ ++static av_cold int mpeg_transcode_decode_init(AVCodecContext *avctx) ++{ ++ Mpeg1Context *s = avctx->priv_data; ++ MpegEncContext *s2; ++ ++ ++ if (avctx->active_thread_type & FF_THREAD_SLICE) ++ return -1; ++ if (!(avctx->slice_flags & SLICE_FLAG_CODED_ORDER)) ++ return -1; ++ mpeg_decode_init(avctx); ++ ++ avctx->pix_fmt = PIX_FMT_TRANSCODE; ++ ++ s->mpeg_enc_ctx.transcode_context = (void*) av_mallocz(sizeof(MpegEncContext)); ++ if (!s->mpeg_enc_ctx.transcode_context) { ++ return AVERROR(ENOMEM); ++ } ++ s2=(MpegEncContext*)s->mpeg_enc_ctx.transcode_context; ++ s2->current_picture_ptr =&s2->current_picture; ++ ++ ++ ++ s->mpeg_enc_ctx.transcode = 1; ++ ++ return 0; ++} ++ ++static int mpeg_transcode_decode_end(AVCodecContext *avctx) ++{ ++ MpegEncContext *s2; ++ Mpeg1Context *s = avctx->priv_data; ++ s2=(MpegEncContext*)s->mpeg_enc_ctx.transcode_context; ++ ++ if (s2->current_picture_ptr) ++ ff_free_picture(s2,&s2->current_picture); ++ if (s2) ++ av_free(s2); ++ ++ return mpeg_decode_end(avctx); ++} ++ ++ ++AVCodec ff_mpeg_mpeg4_decoder = { ++ .name = "mpegvideo_mpeg4", ++ .type = AVMEDIA_TYPE_VIDEO, ++ .id = CODEC_ID_MPEG2VIDEO_MPEG4, ++ .priv_data_size = sizeof(Mpeg1Context), ++ .init = mpeg_transcode_decode_init, ++ .close = mpeg_transcode_decode_end, ++ .decode = mpeg_decode_frame, ++ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED| CODEC_CAP_HWACCEL_TRANSCODE | CODEC_CAP_DELAY, ++ .flush = flush, ++ .long_name = NULL_IF_CONFIG_SMALL("MPEG-1/2 video to MPEG-4 part 2 transcoder for hardware accelaration"), ++}; ++ ++#endif ++ ++ + #if CONFIG_MPEG_XVMC_DECODER + static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx) + { +diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h +index 64c0243..a8963df 100644 +--- a/libavcodec/mpeg4video.h ++++ b/libavcodec/mpeg4video.h +@@ -88,6 +88,7 @@ void ff_mpeg4_encode_mb(MpegEncContext *s, + void ff_mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, + int dir); + void ff_set_mpeg4_time(MpegEncContext * s); ++void ff_set_frame_distances(MpegEncContext * s); + void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number); + + int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb); +@@ -102,6 +103,10 @@ int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s); + int ff_mpeg4_decode_video_packet_header(MpegEncContext *s); + void ff_mpeg4_init_direct_mv(MpegEncContext *s); + ++#if CONFIG_MPEG_MPEG4_DECODER ++void ff_mpeg4_transcode_init_tables(MpegEncContext* s); ++#endif ++ + /** + * + * @return the mb_type +diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c +index 3fcc6d0..d588f57 100644 +--- a/libavcodec/mpeg4videodec.c ++++ b/libavcodec/mpeg4videodec.c +@@ -863,7 +863,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, + dc_pred_dir= (s->pred_dir_table[s->mb_x + s->mb_y*s->mb_stride]<=0); + + /* nothing to do if this MB was skipped in the next P Frame */ +- if (s->next_picture.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { //FIXME avoid DCT & ... ++ if (!(CONFIG_MPEG_MPEG4_DECODER && s->transcode) && ++ s->next_picture.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { //FIXME avoid DCT & ... + s->skip_count++; + s->mv[0][0][0]= + s->mv[0][0][1]= +@@ -614,10 +615,11 @@ void ff_mpeg4_encode_mb(MpegEncContext * s, + s->p_tex_bits+= get_bits_diff(s); + } + +- }else{ /* s->pict_type==AV_PICTURE_TYPE_B */ ++ }else{ /* s->pict_type==AV_PICTURE_TYPE_P */ + cbp= get_p_cbp(s, block, motion_x, motion_y); + +- if ((cbp | motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16) { ++ if ((cbp | motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16 ++ && !(CONFIG_MPEG_MPEG4_DECODER && s->transcode) ) { + /* check if the B frames can skip it too, as we must skip it if we skip here + why didn't they just compress the skip-mb bits instead of reusing them ?! */ + if(s->max_b_frames>0){ +@@ -860,6 +862,8 @@ static void mpeg4_encode_gop_header(MpegEncContext * s){ + time = s->current_picture_ptr->f.pts; + if(s->reordered_input_picture[1]) + time = FFMIN(time, s->reordered_input_picture[1]->f.pts); ++ if (CONFIG_MPEG_MPEG4_DECODER && s->transcode) ++ time = FFMIN(time, s->last_picture.f.pts); + time= time*s->avctx->time_base.num; + + seconds= time/s->avctx->time_base.den; +@@ -1263,6 +1267,28 @@ static av_cold int encode_init(AVCodecContext *avctx) + return 0; + } + ++#if CONFIG_MPEG_MPEG4_DECODER ++ ++void ff_mpeg4_transcode_init_tables(MpegEncContext* s) ++{ ++ init_uni_dc_tab(); ++ ff_init_rl(&ff_mpeg4_rl_intra, ff_mpeg4_static_rl_table_store[0]); ++ init_uni_mpeg4_rl_tab(&ff_mpeg4_rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len); ++ init_uni_mpeg4_rl_tab(&ff_h263_rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len); ++ s->min_qcoeff= -2048; ++ s->max_qcoeff= 2047; ++ s->inter_ac_vlc_length = uni_mpeg4_inter_rl_len; ++ s->inter_ac_vlc_last_length= uni_mpeg4_inter_rl_len + 128*64; ++ s->luma_dc_vlc_length= uni_DCtab_lum_len; ++ s->ac_esc_length= 7+2+1+6+1+12+1; ++ s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; ++ s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table; ++ ++ ++} ++ ++#endif ++ + void ff_mpeg4_init_partitions(MpegEncContext *s) + { + uint8_t *start= put_bits_ptr(&s->pb); +diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c +index 574893e..8f25689 100644 +--- a/libavcodec/mpegvideo.c ++++ b/libavcodec/mpegvideo.c +@@ -38,6 +38,7 @@ + #include "msmpeg4.h" + #include "faandct.h" + #include "xvmc_internal.h" ++#include "transcode_internal.h" + #include "thread.h" + #include + +@@ -379,7 +380,7 @@ fail: // for the FF_ALLOCZ_OR_GOTO macro + /** + * Deallocate a picture. + */ +-static void free_picture(MpegEncContext *s, Picture *pic) ++void ff_free_picture(MpegEncContext *s, Picture *pic) + { + int i; + +@@ -996,7 +997,7 @@ void ff_MPV_common_end(MpegEncContext *s) + + if (s->picture && !s->avctx->internal->is_copy) { + for (i = 0; i < s->picture_count; i++) { +- free_picture(s, &s->picture[i]); ++ ff_free_picture(s, &s->picture[i]); + } + } + av_freep(&s->picture); +@@ -1353,6 +1354,9 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) + + if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) + return ff_xvmc_field_start(s, avctx); ++ if (CONFIG_MPEG_MPEG4_DECODER && ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) ++ return ff_transcode_start_picture(s, avctx); + + return 0; + } +@@ -1366,6 +1370,9 @@ void ff_MPV_frame_end(MpegEncContext *s) + // just to make sure that all data is rendered. + if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) { + ff_xvmc_field_end(s); ++ } else if (CONFIG_MPEG_MPEG4_DECODER && ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE) { ++ ff_transcode_end_picture(s); + } else if ((s->error_count || s->encoding) && + !s->avctx->hwaccel && + !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && +@@ -1941,6 +1948,11 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], + ff_xvmc_decode_mb(s);//xvmc uses pblocks + return; + } ++ if ( CONFIG_MPEG_MPEG4_DECODER && ++ s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_TRANSCODE){ ++ ff_transcode_decode_mb(s); //transcode does no real decoding ++ return; ++ } + + if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { + /* save DCT coefficients */ +diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h +index f5b20e6..8d37178 100644 +--- a/libavcodec/mpegvideo.h ++++ b/libavcodec/mpegvideo.h +@@ -702,6 +702,9 @@ typedef struct MpegEncContext { + + /* temp buffers for rate control */ + float *cplx_tab, *bits_tab; ++ /* transcode, encoding context: a pointer to another MpegEncContext*/ ++ void *transcode_context; ++ int transcode; // 0 no transcoding, 1 activated + } MpegEncContext; + + #define REBASE_PICTURE(pic, new_ctx, old_ctx) (pic ? \ +@@ -745,6 +748,7 @@ void ff_MPV_common_end(MpegEncContext *s); + void ff_MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]); + int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx); + void ff_MPV_frame_end(MpegEncContext *s); ++void ff_MPV_encode_defaults(MpegEncContext *s); + int ff_MPV_encode_init(AVCodecContext *avctx); + int ff_MPV_encode_end(AVCodecContext *avctx); + int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt, +@@ -787,6 +791,8 @@ void ff_copy_picture(Picture *dst, Picture *src); + */ + int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared); + ++void ff_free_picture(MpegEncContext *s, Picture *pic); ++ + extern const enum PixelFormat ff_pixfmt_list_420[]; + extern const enum PixelFormat ff_hwaccel_pixfmt_list_420[]; + +diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c +index f88df92..a35c292 100644 +--- a/libavcodec/mpegvideo_enc.c ++++ b/libavcodec/mpegvideo_enc.c +@@ -256,7 +256,7 @@ static void update_duplicate_context_after_me(MpegEncContext *dst, + * Set the given MpegEncContext to defaults for encoding. + * the changed fields will not depend upon the prior state of the MpegEncContext. + */ +-static void MPV_encode_defaults(MpegEncContext *s) ++void ff_MPV_encode_defaults(MpegEncContext *s) + { + int i; + ff_MPV_common_defaults(s); +@@ -275,7 +275,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx) + int i; + int chroma_h_shift, chroma_v_shift; + +- MPV_encode_defaults(s); ++ ff_MPV_encode_defaults(s); + + switch (avctx->codec_id) { + case CODEC_ID_MPEG2VIDEO: +@@ -3085,7 +3085,7 @@ static int estimate_qp(MpegEncContext *s, int dry_run){ + } + + /* must be called before writing the header */ +-static void set_frame_distances(MpegEncContext * s){ ++void ff_set_frame_distances(MpegEncContext * s){ + assert(s->current_picture_ptr->f.pts != AV_NOPTS_VALUE); + s->time = s->current_picture_ptr->f.pts * s->avctx->time_base.num; + +@@ -3114,7 +3114,7 @@ static int encode_picture(MpegEncContext *s, int picture_number) + /* we need to initialize some time vars before we can encode b-frames */ + // RAL: Condition added for MPEG1VIDEO + if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->msmpeg4_version)) +- set_frame_distances(s); ++ ff_set_frame_distances(s); + if(CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4) + ff_set_mpeg4_time(s); + +diff --git a/libavcodec/mpegvideo_transcode.c b/libavcodec/mpegvideo_transcode.c +new file mode 100644 +index 0000000..e2e56e1 +--- /dev/null ++++ b/libavcodec/mpegvideo_transcode.c +@@ -0,0 +1,888 @@ ++/* ++ * Transcoder ++ * Copyright (c) 2012 Marten Richter ++ * ++ * For the code took from the encoder: ++ * Copyright (c) 2000,2001 Fabrice Bellard ++ * Copyright (c) 2002-2004 Michael Niedermayer ++ * 4MV & hq & B-frame encoding stuff by Michael Niedermayer ++ * and probably many others see the git commit notes for details ++ * ++ * This file is part of Libav. ++ * ++ * 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. ++ * ++ * 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 Libav; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ++ */ ++ ++#include "avcodec.h" ++#include "dsputil.h" ++#include "mpegvideo.h" ++#include "mpegvideo_common.h" ++#include "mpeg4video.h" ++ ++#include "mpeg12.h" ++#include "h263.h" ++ ++#undef NDEBUG ++#include ++ ++#include "transcode.h" ++#include "transcode_internal.h" ++ ++int transcode_qmul_table[32]; ++ ++/** ++ * initialise the encoding contexts, after the properties of the incoming stream are known ++ * TODO: remove unnecessary inits ++ */ ++int ff_mpeg_transcode_decode_postinit(AVCodecContext* avctx) ++{ ++ // Now init the encode context ++ Mpeg1Context *s2; ++ MpegEncContext *s; ++ int i; ++ int chroma_h_shift, chroma_v_shift; ++ int savetimebaseden; ++ ++ ++ s2 = avctx->priv_data; ++ s = s2->mpeg_enc_ctx.transcode_context; ++ ++ ff_MPV_encode_defaults(s); ++ s->codec_id=CODEC_ID_MPEG4; ++ ++ s->input_picture_number = 0; ++ s->transcode = 1; ++ avctx->qmin = 1; ++ ++ ++ s->bit_rate = avctx->bit_rate; ++ s->width = avctx->width+32; ++ s->height = avctx->height; ++ s->gop_size = avctx->gop_size; ++ s->avctx = avctx; ++ s->flags = avctx->flags; ++ s->flags2 = avctx->flags2; ++ s->max_b_frames = 100; // we have b frames ++ //s->codec_id = avctx->codec->id; ++ s->strict_std_compliance = avctx->strict_std_compliance; ++ s->quarter_sample = 0; ++ s->mpeg_quant = 0; ++ s->rtp_mode = 0; //we need it for qscale ++ s->vol_sprite_usage=0; ++ s->intra_dc_precision = avctx->intra_dc_precision; ++ s->user_specified_pts = AV_NOPTS_VALUE; ++ ++ if (s->gop_size <= 1) { ++ s->intra_only = 1; ++ s->gop_size = 12; ++ } else { ++ s->intra_only = 0; ++ } ++ ++ s->me_method = avctx->me_method; ++ s->adaptive_quant = (s->avctx->lumi_masking || ++ s->avctx->dark_masking || ++ s->avctx->temporal_cplx_masking || ++ s->avctx->spatial_cplx_masking || ++ s->avctx->p_masking || ++ s->avctx->border_masking || ++ (s->mpv_flags & FF_MPV_FLAG_QP_RD)) && ++ !s->fixed_qscale; ++ s->loop_filter = 0; //no loop for mpeg4 ++ ++ if (s->mpeg_quant || s->codec_id == CODEC_ID_MPEG1VIDEO || ++ s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG) { ++ // (a + x * 3 / 8) / x ++ s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3); ++ s->inter_quant_bias = 0; ++ } else { ++ s->intra_quant_bias = 0; ++ // (a - x / 4) / x ++ s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); ++ } ++ ++ avcodec_get_chroma_sub_sample(PIX_FMT_YUV422P, &chroma_h_shift, ++ &chroma_v_shift); ++ if (/*avctx->codec_id == CODEC_ID_MPEG4 &&*/ ++ s->avctx->time_base.den > (1 << 16) - 1) ++ { ++ av_log(avctx, AV_LOG_ERROR, ++ "timebase %d/%d not supported by MPEG 4 standard, " ++ "the maximum admitted value for the timebase denominator " ++ "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den, ++ (1 << 16) - 1); ++ return -1; ++ } ++ s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; ++ ++ // mpeg4 paramter ++ s->out_format = FMT_H263; ++ s->h263_pred = 1; ++ s->unrestricted_mv = 1; //does not really matter ++ s->low_delay = s->max_b_frames ? 0 : 1; ++ avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); ++ avctx->has_b_frames = !s->low_delay; ++ ++ s->encoding = 1; ++ s->progressive_frame = ++ s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT | ++ CODEC_FLAG_INTERLACED_ME) || ++ s->alternate_scan); ++ /* init */ ++ if (ff_MPV_common_init(s) < 0) ++ return -1; ++ ++ if (!s->dct_quantize) ++ s->dct_quantize = ff_dct_quantize_c; ++ /* if (!s->denoise_dct) ++ s->denoise_dct = denoise_dct_c; ++ s->fast_dct_quantize = s->dct_quantize; ++ if (avctx->trellis) ++ s->dct_quantize = dct_quantize_trellis_c;*/ ++ ++ ++ s->quant_precision = 5; ++ ++ ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp); ++ ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp); ++ ++ if (CONFIG_H263_ENCODER && s->out_format == FMT_H263) ++ ff_h263_encode_init(s); ++ ++ /* init q matrix */ ++ for (i = 0; i < 64; i++) { ++ int j = s->dsp.idct_permutation[i]; ++ int j2 = s2->mpeg_enc_ctx.dsp.idct_permutation[i]; ++ if (/*CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4 && */ ++ s->mpeg_quant) { ++ s->intra_matrix[j] = s2->mpeg_enc_ctx.intra_matrix[j2]; ++ s->inter_matrix[j] = s2->mpeg_enc_ctx.inter_matrix[j2]; ++ } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { ++ s->intra_matrix[j] = ++ s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; ++ } else { ++ /* mpeg1/2 */ ++ s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; ++ s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; ++ } ++ ++ } ++ ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, ++ s->intra_matrix, s->intra_quant_bias, avctx->qmin, ++ 31, 1); ++ ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, ++ s->inter_matrix, s->inter_quant_bias, avctx->qmin, ++ 31, 0); ++ ++ ff_mpeg4_transcode_init_tables(s); ++ for (i=1;i<32;i++) { ++ transcode_qmul_table[i]=(1<current_picture, 1); ++ ++} ++ ++int ff_transcode_start_picture(MpegEncContext *dec, AVCodecContext *avctx) ++{ ++ Mpeg1Context *s2; ++ MpegEncContext *s; ++ int i; ++ struct transcode_pix_fmt *render = (struct transcode_pix_fmt*)dec->current_picture.f.data[0]; ++ s2 = dec->avctx->priv_data; ++ s = s2->mpeg_enc_ctx.transcode_context; ++ ++ assert(avctx); ++ if (dec->picture_structure != PICT_FRAME) ++ { ++ av_log(avctx, AV_LOG_ERROR, "field mode is not supported %d\n",dec->picture_structure); ++ } ++ ++ if (!render || render->transcode_id != AV_TRANSCODE_ID || ++ !render->packet.data || !render->packet.size ) { ++ av_log(avctx, AV_LOG_ERROR, ++ "Render token doesn't look as expected.\n"); ++ return -1; // make sure that this is a transcode packet ++ } ++ ++ ++ s->input_picture_number=s->input_picture_number+1; ++ ++ for(i=0; i<3; i++){ ++ /* init last dc values */ ++ /* note: quant matrix value (8) is implied here */ ++ s->last_dc[i] = 128 << s->intra_dc_precision; ++ ++ s->current_picture.f.error[i] = 0; ++ } ++ s->mb_skip_run = 0; ++ memset(s->last_mv, 0, sizeof(s->last_mv)); ++ ++ s->last_mv_dir = 0; ++ ++ ++ ++ //now init the put bit contexts ++ ++ s->slice_context_count=1; ++ init_put_bits(&s->pb, render->packet.data, render->packet.size); ++ ++ //ff_mpeg4_transcode_write_picture_headers(dec,avctx); //moved to slice decoding ++ return 0; ++} ++ ++ ++ ++ ++void ff_transcode_end_picture(MpegEncContext *dec) ++{ ++ Mpeg1Context *s2; ++ MpegEncContext *s; ++ struct transcode_pix_fmt *render; ++ s2 = dec->avctx->priv_data; ++ s = s2->mpeg_enc_ctx.transcode_context; ++ ff_mpeg4_stuffing(&s->pb); ++ avpriv_align_put_bits(&s->pb); ++ flush_put_bits(&s->pb); ++ ++ render = (struct transcode_pix_fmt*)dec->current_picture.f.data[0]; ++ render->packet.size=put_bits_count(&s->pb)/8; ++ ++ ++ ++} ++ ++//copy from mpegvideo_enc.c fix me ++ ++static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, ++ int last_index) ++{ ++ int i; ++ const int maxlevel = s->max_qcoeff; ++ const int minlevel = s->min_qcoeff; ++ int overflow = 0; ++ ++ if (s->mb_intra) { ++ i = 1; // skip clipping of intra dc ++ } else ++ i = 0; ++ ++ for (; i <= last_index; i++) { ++ const int j = s->intra_scantable.scantable[i]; ++ int level = block[j]; ++ ++ if (level > maxlevel) { ++ level = maxlevel; ++ overflow++; ++ } else if (level < minlevel) { ++ level = minlevel; ++ overflow++; ++ } ++ ++ block[j] = level; ++ } ++ ++ if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE) ++ av_log(s->avctx, AV_LOG_INFO, ++ "warning, clipping %d dct coefficients to %d..%d\n", ++ overflow, minlevel, maxlevel); ++} ++ ++ ++static inline int quantize_emulated_intra_c(MpegEncContext *s, ++ DCTELEM *block, int n, ++ int qscale,int dec_last_index, ++ int *overflow) ++{ ++ int i, j, level, last_non_zero, q, start_i; ++ const uint8_t *scantable= s->intra_scantable.scantable; ++ int bias; ++ int qmul; ++ int max=0; ++ unsigned int threshold1, threshold2; ++ ++ ++ //qmul=(1<=0) ++ block[0] = (block[0] + (q >> 1)) / q; ++ else ++ block[0] =-( (-block[0] + (q >> 1)) / q); ++ ++ level=block[0]; ++ if (level>=0) { ++ level=((level<<1)+1)*qscale-1+(qscale&1)+1024; ++ } else { ++ level=-((((-level)<<1)+1)*qscale-1+(qscale&1))+1024; ++ } ++ ++ max=block[0]; ++ start_i = 1; ++ ++ if (block[0]) last_non_zero = 0; ++ else last_non_zero=-1; ++ bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); ++ ++ threshold1= (1<=start_i;i--) { ++ j = scantable[i]; ++ level = block[j] * qmul; ++ if(((unsigned)(level+threshold1))>threshold2){ ++ last_non_zero = i; ++ break; ++ }else{ ++ block[j]=0; ++ } ++ } ++ ++ for(i=start_i; i<=last_non_zero; i++) { ++ j = scantable[i]; ++ level = block[j] * qmul; ++ if(((unsigned)(level+threshold1))>threshold2){ ++ if(level>0){ ++ level= (bias + level)>>(QMAT_SHIFT); ++ block[j]= level; ++ }else{ ++ level= (bias - level)>>(QMAT_SHIFT); ++ block[j]= -level; ++ } ++ max |=level; ++ }else{ ++ block[j]=0; ++ } ++ } ++ *overflow= s->max_qcoeff < max; //overflow might have happened ++ ++ ++ return last_non_zero; ++} ++ ++ ++ ++static inline int quantize_c(MpegEncContext *s, ++ DCTELEM *block, int n, ++ int qscale,int dec_last_index, ++ int *overflow) ++{ ++ int i, j, level, last_non_zero, q, start_i; ++ const uint8_t *scantable= s->intra_scantable.scantable; ++ int bias; ++ int qmul; ++ int max=0; ++ unsigned int threshold1, threshold2; ++ ++ ++ //qmul=(1<mb_intra) { ++ if (!s->h263_aic) { ++ if (n < 4) ++ q = s->y_dc_scale; ++ else ++ q = s->c_dc_scale; ++ // q = q << 3; ++ } else ++ /* For AIC we skip quant/dequant of INTRADC */ ++ q = 1;// << 3; ++ ++ /* note: block[0] is assumed to be positive */ ++ block[0] = (block[0] + (q >> 1)) / q; ++ start_i = 1; ++ last_non_zero = 0; ++ bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); ++ } else { ++ start_i = 0; ++ last_non_zero = -1; ++ bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); ++ } ++ threshold1= (1<=start_i;i--) { ++ j = scantable[i]; ++ level = block[j] * qmul; ++ if(((unsigned)(level+threshold1))>threshold2){ ++ last_non_zero = i; ++ break; ++ }else{ ++ block[j]=0; ++ } ++ } ++ ++ for(i=start_i; i<=last_non_zero; i++) { ++ j = scantable[i]; ++ level = block[j] * qmul; ++ ++ // if( bias+level >= (1<= (1<threshold2){ ++ if(level>0){ ++ level= (bias + level)>>(QMAT_SHIFT); ++ block[j]= level; ++ }else{ ++ level= (bias - level)>>(QMAT_SHIFT); ++ block[j]= -level; ++ } ++ max |=level; ++ }else{ ++ block[j]=0; ++ } ++ } ++ *overflow= s->max_qcoeff < max; //overflow might have happened ++ ++ ++ ++ return last_non_zero; ++} ++ ++#define ZEROS8 0,0,0,0,0,0,0,0 ++#define ZEROS64 ZEROS8,ZEROS8,ZEROS8,ZEROS8,ZEROS8,ZEROS8,ZEROS8,ZEROS8 ++ ++ ++ ++static inline void add_zero_mb(MpegEncContext *s) ++{ ++ DCTELEM zero_block[6][64]={{ZEROS64},{ZEROS64},{ZEROS64},{ZEROS64},{ZEROS64},{ZEROS64}}; ++ const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; ++ ++ s->dquant=0; ++ ff_update_block_index(s); ++ ++ if (s->pict_type==AV_PICTURE_TYPE_I) { ++ int q; ++ s->mb_intra=1; ++ if (s->qscale>4){ // this is not good for quantization ++ s->dquant=-2; ++ s->qscale=s->qscale-2; ++ ff_set_qscale(s, s->qscale); ++ } ++ q=s->y_dc_scale; ++ zero_block[0][0]=zero_block[1][0]= ++ zero_block[2][0]=zero_block[3][0]=(1024+(q>>1))/q; ++ q=s->c_dc_scale; ++ zero_block[4][0]=zero_block[5][0]=(1024+(q>>1))/q; ++ s->block_last_index[0]=s->block_last_index[1]= ++ s->block_last_index[2]=s->block_last_index[3]= ++ s->block_last_index[4]=s->block_last_index[5]=0; ++ ++ if ( (s->h263_pred || s->h263_aic)) ++ s->mbintra_table[mb_xy]=1; ++ } else { ++ s->mb_intra=0; ++ s->mv_type=MV_TYPE_16X16; ++ s->mv_dir=MV_DIR_FORWARD; ++ s->mv[0][0][0]=0; ++ s->mv[0][0][1]=0; ++ if ((s->h263_pred || s->h263_aic)) { ++ ++ if(s->mbintra_table[mb_xy]) ++ ff_clean_intra_table_entries(s); ++ } else { ++ s->last_dc[0] = ++ s->last_dc[1] = ++ s->last_dc[2] = 128 << s->intra_dc_precision; ++ } ++ s->block_last_index[0]=s->block_last_index[1]= ++ s->block_last_index[2]=s->block_last_index[3]= ++ s->block_last_index[4]=s->block_last_index[5]=-1; ++ ++ } ++ ++ ++ ++ ff_mpeg4_encode_mb(s, zero_block, 0, 0); ++ ff_h263_update_motion_val(s); ++} ++ ++void ff_transcode_decode_mb(MpegEncContext *dec) ++{ ++ Mpeg1Context *s2; ++ MpegEncContext *s; ++ int dquant; ++ int i; ++ int dir; ++ ++ int motion_x; ++ int motion_y; ++ int savetimebaseden; ++ int mb_xy; ++ int emulate=0; ++ s2 = dec->avctx->priv_data; ++ s = s2->mpeg_enc_ctx.transcode_context; ++ ++ s->mb_y = dec->mb_y; ++ ++ s->mb_x = dec->mb_x+1; ++ ++ savetimebaseden=s->avctx->time_base.den;//the way how mpeg2 and mpeg4 handle interlaced video differs ++ if (!s->progressive_sequence) { ++ s->avctx->time_base.den=s->avctx->time_base.den>>1; ++ } ++ ++ ++ ++ if (dec->mb_x==0 && dec->mb_y==0) { // a bit ugly but qscale is not set before ++ s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; ++ ff_mpeg4_transcode_write_picture_headers(dec,dec->avctx); ++ ++ } ++ ++ ++ ++ ++ ++ if (s->mb_x==1) { ++ s->first_slice_line=s->mb_y==0; ++ ++ s->mb_x = 0; ++ ff_init_block_index(s); //necessary for prediction ++ ++ add_zero_mb(s); ++ s->mb_x = 1; ++ } ++ mb_xy= s->mb_y * s->mb_stride + s->mb_x; ++ ++ ++ ++ // the decoder must be updated, important we assume mpeg12 as input ++ if (!dec->mb_intra) { ++ dec->last_dc[0] = ++ dec->last_dc[1] = ++ dec->last_dc[2] = 128 << dec->intra_dc_precision; ++ } ++ ++ ++ dquant=-s->qscale+(dec->qscale>>1 | 1); ++ if (dquant>2) dquant=2; ++ else if (dquant<-2) dquant=-2; ++ ++ if (s->pict_type == AV_PICTURE_TYPE_B) //b frames do not support dquant=1 or dquant=-1 ++ { ++ if (dquant==1) dquant=0; // always try to quantize better not worss ++ else if (dquant==-1) dquant=-2; ++ } ++ ++ s->qscale=s->qscale+dquant; ++ ++ if (dquant) ff_set_qscale(s, s->qscale); ++ s->dquant = dquant; ++ ++ ++ ++ ++ ++ //to do convert handling ++ ++ ++ s->interlaced_dct = dec->interlaced_dct; ++ s->mb_intra = dec->mb_intra; ++ if (!s->mb_intra) { ++ s->mv_dir = dec->mv_dir; ++ s->mv_type = dec->mv_type; ++ for (dir=0; dir < 2; dir++) { ++ for (i=0; i < 2; i++) { ++ s->mv[dir][i][0] = dec->mv[dir][i][0]; ++ s->mv[dir][i][1] = dec->mv[dir][i][1]; ++ s->field_select[dir][i] = dec->field_select[dir][i]; ++ } ++ } ++ motion_x = motion_y = 0; ++ if (s->mv_type != MV_TYPE_FIELD) { ++ if (s->mv_dir == MV_DIR_FORWARD) { ++ motion_x = s->mv[0][0][0]; ++ motion_y = s->mv[0][0][1]; ++ } else if (s->mv_dir == MV_DIR_BACKWARD) { ++ motion_x = s->mv[1][0][0]; ++ motion_y = s->mv[1][0][1]; ++ } // set motion also in direct mode TODO ++ } ++ } ++ ++ if (s->pict_type == AV_PICTURE_TYPE_B){ ++ if (s->mb_intra) { ++ ++ // TODO Emulate intra blocks ++ //but first set to non intra will break dc prediction otherwise ++ s->mb_intra=0; ++ s->mv_type=MV_TYPE_16X16; ++ ++ ++ if (s->b_code<=s->f_code) { ++ s->mv_dir = MV_DIR_FORWARD; ++ motion_y = s->mv[0][0][1]=0; ++ if (s->mb_x<(s->mb_width>>1)) { ++ motion_x = s->mv[0][0][0]=-s->mb_x<<5; ++ } else { ++ motion_x = s->mv[0][0][0]=(s->mb_width-s->mb_x)<<5; ++ } ++ } else { ++ motion_y = s->mv[1][0][1]=0; ++ s->mv_dir = MV_DIR_BACKWARD; ++ if (s->mb_x<(s->mb_width>>1)) { ++ motion_x = s->mv[1][0][0]=-s->mb_x<<5; ++ } else { ++ motion_x = s->mv[1][0][0]=(s->mb_width-s->mb_x)<<5; ++ } ++ } ++ if (abs(motion_x)>1023) { ++ s->mv_dir = MV_DIR_BACKWARD|MV_DIR_FORWARD; ++ motion_x = s->mv[1][0][0]=s->mv[0][0][0]=0; ++ av_log(s->avctx, AV_LOG_ERROR, "emulation failed intra in b picture %d %d %d\n", ++ s->mb_x,s->mb_y,s->input_picture_number); ++ for (i=0;i<6;i++) { ++ dec->block_last_index[i]=-1; //skip them ++ } ++ ++ } ++ ++ ++ ++ // dec->block[4][0]=2048; //should give awkward color for spotting them ++ ++ for (i=0;i<6;i++) { ++ dec->block[i][0]-=1024; ++ } ++ ++ ++ emulate=1; ++ } else { ++ if (s->mv_type == MV_TYPE_16X8) { //this is not supported by mpeg4 emulate with 8x8 ++ s->mv_type=MV_TYPE_16X16; ++ // TODO figure out if MV_TYPE_DIRECT would give a better quality ++ // figure also out if a mean motion vector will be better ++ av_log(s->avctx, AV_LOG_ERROR, "16X8 in b picture %d %d %d\n", ++ s->mb_x,s->mb_y,s->input_picture_number); ++ ++ } ++ } ++ } else { ++ if (s->mv_type == MV_TYPE_DMV) { //this is not supported by mpeg4 emulate with 16x16 ++ s->mv_type=MV_TYPE_16X16; ++ // do we have to scale motion vector dunno ++ av_log(s->avctx, AV_LOG_ERROR, "DMV in p picture %d %d %d\n", ++ s->mb_x,s->mb_y,s->input_picture_number); ++ } ++ ++ } ++ ++ ff_update_block_index(s); ++ ++ /* update DC predictors for P macroblocks */ //must come after the update of block ndices ++ if (!s->mb_intra) { ++ if ((s->h263_pred || s->h263_aic)) { ++ if(s->mbintra_table[mb_xy]) ++ ff_clean_intra_table_entries(s); ++ } else { ++ s->last_dc[0] = ++ s->last_dc[1] = ++ s->last_dc[2] = 128 << s->intra_dc_precision; ++ } ++ ++ ++ ++ } ++ else if ( (s->h263_pred || s->h263_aic)) ++ s->mbintra_table[mb_xy]=1; ++ ++ ++ ++ if (!emulate) { ++ for (i = 0; i < 6; i++) { ++ ++ if (dec->block_last_index[i]>=0) { ++ int overflow; ++ s->block_last_index[i] = quantize_c(s, dec->block[i], i, s->qscale, ++ dec->block_last_index[i], &overflow); ++ // FIXME we could decide to change to quantizer instead of ++ // clipping ++ // JS: I don't think that would be a good idea it could lower ++ // quality instead of improve it. Just INTRADC clipping ++ // deserves changes in quantizer ++ if (overflow) ++ clip_coeffs(s, dec->block[i], s->block_last_index[i]); ++ } else ++ s->block_last_index[i] = -1; ++ } ++ } else { ++ for (i = 0; i < 6; i++) { ++ ++ if (dec->block_last_index[i]>=0) { ++ int overflow; ++ s->block_last_index[i] = quantize_emulated_intra_c(s, dec->block[i], i, s->qscale, ++ dec->block_last_index[i], &overflow); ++ // FIXME we could decide to change to quantizer instead of ++ // clipping ++ // JS: I don't think that would be a good idea it could lower ++ // quality instead of improve it. Just INTRADC clipping ++ // deserves changes in quantizer ++ if (overflow) ++ clip_coeffs(s, dec->block[i], s->block_last_index[i]); ++ } else ++ s->block_last_index[i] = -1; ++ } ++ ++ } ++ ++ ++ ++ ++ ff_mpeg4_encode_mb(s, dec->block, motion_x, motion_y); ++ ff_h263_update_motion_val(s); ++ ++ if (s->mb_x==s->mb_width-2) { ++ s->mb_x = s->mb_width-1; ++ add_zero_mb(s); ++ } ++ ++ s->avctx->time_base.den=savetimebaseden; ++ ++ ++} ++ ++void ff_mpeg4_transcode_write_picture_headers(MpegEncContext *dec,AVCodecContext* avctx) ++{ ++ Mpeg1Context *s2; ++ MpegEncContext *s; ++ int save_profile; ++ int save_level; ++ s2 = avctx->priv_data; ++ s = s2->mpeg_enc_ctx.transcode_context; ++ ++ //now transfer the decoded data to the encoding context ++ ++ ++ ++ ++ ++ ++ //picture header ++ s->pict_type = dec->pict_type; ++ ++ s->qscale = (dec->qscale>>1|1); //qscale is set in the slices maybe move this function to slice, attention so is modifing qscale in the of the picture ++ ff_set_qscale(s, s->qscale); ++ ++ s->no_rounding = 0; //does not matter related to gmc ++ s->progressive_sequence = dec->progressive_sequence; ++ s->current_picture_ptr->f.top_field_first = dec->top_field_first; ++ s->alternate_scan = dec->alternate_scan; ++ if (dec->current_picture.f.pkt_pts!=AV_NOPTS_VALUE && dec->current_picture.f.pkt_pts) { ++ //thanks to god someone is supplying hopefully clean pts values, use them!!! ++ s->current_picture_ptr->f.pts=dec->current_picture.f.pkt_pts; ++ } else { ++ // this is ugly and will probably fail, ++ // it assumes a constant b frames distance ++ ++ s->current_picture_ptr->f.pts=s->input_picture_number+0; //dirty hack, but works ++ ++ if (s->pict_type==AV_PICTURE_TYPE_B) ++ { ++ // we guess a sequence with two b frames inbetween I and P frames, ++ // as long as no DIRECT mv is used this should be fine if we are wrong ++ s->current_picture_ptr->f.pts= ++ s->current_picture_ptr->f.pts-3; ++ // if (s->current_picture_ptr->f.pts==s->last_time_base) s->current_picture_ptr->f.pts++; ++ ++ ++ } ++ ++ } ++ if (s->pict_type!=AV_PICTURE_TYPE_B) { ++ s->last_picture.f.pts=s->reordered_pts; // dirty hack ++ s->reordered_pts=s->current_picture_ptr->f.pts; ++ } ++ ++ ++ if (s->alternate_scan) { ++ ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable,ff_alternate_vertical_scan); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable,ff_alternate_vertical_scan); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable,ff_alternate_vertical_scan); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable,ff_alternate_vertical_scan); ++ } else { ++ ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable,ff_zigzag_direct); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable,ff_zigzag_direct); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable,ff_alternate_horizontal_scan); ++ ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable,ff_alternate_vertical_scan); ++ } ++ ++ s->strict_std_compliance = FF_COMPLIANCE_VERY_STRICT-1; ++ s->data_partitioning = 0; ++ s->f_code = dec->mpeg_f_code[0][0]; ++ if (dec->mpeg_f_code[0][1] > s->f_code) { ++ s->f_code = dec->mpeg_f_code[0][1]; ++ } ++ ++ //we select the maximum code, but not more than the maximal possible value, ++ ++ ++ s->b_code = dec->mpeg_f_code[1][0]; ++ if (dec->mpeg_f_code[1][1] > s->b_code) { ++ s->b_code = dec->mpeg_f_code[1][1]; ++ } ++ ++ if (s->pict_type == AV_PICTURE_TYPE_B) { ++ ++ if (s->b_code<=s->f_code) { ++ s->f_code=FFMIN(FFMAX(av_log2(s->width)-2,s->f_code),7); ++ } else { ++ s->b_code=FFMIN(FFMAX(av_log2(s->width)-2,s->b_code),7); ++ } ++ } ++ ++ //vol header ++ save_profile = s->avctx->profile; ++ save_level = s->avctx->level; ++ s->avctx->profile = FF_PROFILE_MPEG4_ADVANCED_SIMPLE; ++ s->avctx->level = 1; ++ ++ s->width = dec->width+32; // check if we need emulation black bars ++ s->height = dec->height; ++ s->mb_stride = dec->mb_stride+2; //emulating black bars ++ s->quarter_sample = 0; ++ s->ac_pred = 0; ++ ++ s->me.mb_var_sum_temp = ++ s->me.mc_mb_var_sum_temp = 0; ++ ++ ++ ++ ff_set_frame_distances(s); ++ ff_set_mpeg4_time(s); ++ ++ s->me.scene_change_score=0; ++ ++ if (s2->closed_gop) s->flags|=CODEC_FLAG_CLOSED_GOP; ++ else s->flags&=~CODEC_FLAG_CLOSED_GOP;//transverse gop flag ++ ++ ++ ff_mpeg4_encode_picture_header(s, 0); ++ s->avctx->profile = save_profile; ++ s->avctx->level = save_level; ++ ++ ++ ++ ++} +diff --git a/libavcodec/transcode.h b/libavcodec/transcode.h +new file mode 100644 +index 0000000..c1c8c85 +--- /dev/null ++++ b/libavcodec/transcode.h +@@ -0,0 +1,69 @@ ++/* ++ * Copyright (C) 2012 Marten Richter ++ * ++ * This file is part of Libav. ++ * ++ * 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. ++ * ++ * 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 Libav; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ++ */ ++ ++#ifndef AVCODEC_TRANSCODE_H ++#define AVCODEC_TRANSCODE_H ++ ++/** ++ * @file ++ * @ingroup lavc_codec_hwaccel_mpeg4_transcode ++ * Public libavcodec Mpeg4TranscodeHeader header. ++ */ ++ ++#include "avcodec.h" ++ ++/** ++ * @defgroup lavc_codec_hwaccel_mpeg4_transcode Mpeg4Transcode ++ * @ingroup lavc_codec_hwaccel ++ * ++ * @{ ++ */ ++ ++#define AV_TRANSCODE_ID 0x54524E53 /**< special value to ensure that regular pixel routines haven't corrupted the struct ++ the number speak for the letters TRNS */ ++ ++struct transcode_pix_fmt { ++ /** The field contains the special constant value AV_TRANSCODE_ID. ++ It is used as a test that the application correctly uses the API, ++ and that there is no corruption caused by pixel routines. ++ - application - set during initialization ++ - libavcodec - unchanged ++ */ ++ int transcode_id; ++ ++ /** AVPacket structure containing the buffer getting all the transcoded data ++ - application - set the pointer during initialization ++ - libavcodec - fills bitstream to packet ++ */ ++ AVPacket packet; ++ ++ /** Indicates that a new frame start in this frame ++ - application - unchanged ++ - libavcodec - set ++ */ ++ int new_frame; ++ ++}; ++ ++/** ++ * @} ++ */ ++ ++#endif /* AVCODEC_XVMC_H */ +diff --git a/libavcodec/transcode_internal.h b/libavcodec/transcode_internal.h +new file mode 100644 +index 0000000..b837fde +--- /dev/null ++++ b/libavcodec/transcode_internal.h +@@ -0,0 +1,34 @@ ++/* ++ * Transcode internal functions ++ * ++ * This file is part of Libav. ++ * ++ * 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. ++ * ++ * 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 Libav; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ++ */ ++ ++#ifndef AVCODEC_TRANSCODE_INTERNAL_H ++#define AVCODEC_TRANSCODE_INTERNAL_H ++ ++#include "avcodec.h" ++#include "mpegvideo.h" ++ ++int ff_mpeg_transcode_decode_postinit(AVCodecContext* avctx); ++void ff_mpeg4_transcode_write_picture_headers(MpegEncContext *dec,AVCodecContext* avctx); ++void ff_transcode_decode_mb(MpegEncContext *dec); ++int ff_transcode_start_picture(MpegEncContext *dec, AVCodecContext *avctx); ++void ff_transcode_end_picture(MpegEncContext *dec); ++void ff_mpeg4_transcode_mb(MpegEncContext * s, DCTELEM block[6][64], int motion_x, int motion_y); ++ ++#endif /* AVCODEC_TRANSCODE_INTERNAL_H */ +diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h +index bd898bd..9600629 100644 +--- a/libavutil/pixfmt.h ++++ b/libavutil/pixfmt.h +@@ -157,6 +157,8 @@ enum PixelFormat { + PIX_FMT_GBRP10LE, ///< planar GBR 4:4:4 30bpp, little endian + PIX_FMT_GBRP16BE, ///< planar GBR 4:4:4 48bpp, big endian + PIX_FMT_GBRP16LE, ///< planar GBR 4:4:4 48bpp, little endian ++ ++ PIX_FMT_TRANSCODE, ///< HW decoding of mpeg4 data[0] contains a transcode_pix_fmt structure + PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions + }; + +-- +1.7.10.4 + diff --git a/raspi-patches/readme.txt b/raspi-patches/readme.txt new file mode 100644 index 0000000..d6671a8 --- /dev/null +++ b/raspi-patches/readme.txt @@ -0,0 +1,4 @@ +vompclient on Raspberry PI needs its own patched libav. +Please use the skript fetch_libav.sh to download the libav from and +to apply our custom libav patches and to run the configure command. + diff --git a/videovpeogl.cc b/videovpeogl.cc old mode 100755 new mode 100644 index 9351e9d..d4346ea --- a/videovpeogl.cc +++ b/videovpeogl.cc @@ -52,12 +52,18 @@ VideoVPEOGL::VideoVPEOGL() //decoding_mode=VPE_XVMC_IDCT; framebuf_framenum=0; moco_shader=NULL; -#endif ogl_forward_ref_frame_num=0; ogl_backward_ref_frame_num=0; ogl_forward_ref_frame=NULL; ogl_backward_ref_frame=NULL; +#endif + +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + transcodecodec_libav=NULL; + transcodecodec_context_libav=NULL; +#endif + #ifdef BENCHMARK_FPS time_in_decoder=0; @@ -154,9 +160,13 @@ int VideoVPEOGL::initUsingOSDObjects() #endif +#if defined(VPE_LIBAV_MPEG2_TRANSCODING) || defined(VPE_LIBAV_SUPPORT) + av_register_all(); +#endif + #ifdef VPE_LIBAV_SUPPORT - av_register_all(); + if (decoding_mode==VPE_NO_XVMC) { mpeg2codec_libav=avcodec_find_decoder(CODEC_ID_MPEG2VIDEO); } else { @@ -166,8 +176,16 @@ int VideoVPEOGL::initUsingOSDObjects() Log::getInstance()->log("Video", Log::DEBUG, "Find libav mpeg2 codec failed"); return 0; } - #endif +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + transcodecodec_libav=avcodec_find_decoder(CODEC_ID_MPEG2VIDEO_MPEG4); + if (transcodecodec_libav==NULL) { + Log::getInstance()->log("Video", Log::DEBUG, "Find libav mpeg2 transcoder failed"); + return 0; + } +#endif + + threadStart(); return 1; } @@ -212,7 +230,7 @@ void VideoVPEOGL::AddOmxEvent(VPE_OMX_EVENT new_event) OMX_ERRORTYPE VideoVPEOGL::EmptyBufferDone_OMX(OMX_IN OMX_HANDLETYPE hcomp,OMX_IN OMX_PTR appdata,OMX_IN OMX_BUFFERHEADERTYPE* buffer){ - Log::getInstance()->log("Video", Log::NOTICE, "EmptyBufferDone"); + //Log::getInstance()->log("Video", Log::NOTICE, "EmptyBufferDone"); VideoVPEOGL *video=(VideoVPEOGL *)getInstance(); video->ReturnEmptyOMXBuffer(buffer); return OMX_ErrorNone; @@ -221,9 +239,9 @@ OMX_ERRORTYPE VideoVPEOGL::EmptyBufferDone_OMX(OMX_IN OMX_HANDLETYPE hcomp,OMX_I void VideoVPEOGL::ReturnEmptyOMXBuffer(OMX_BUFFERHEADERTYPE* buffer){ input_bufs_omx_mutex.Lock(); - Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer %d",input_bufs_omx_free.size()); + //Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer %d",input_bufs_omx_free.size()); input_bufs_omx_free.push_back(buffer); - Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer %d",input_bufs_omx_free.size()); + //Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer %d",input_bufs_omx_free.size()); input_bufs_omx_mutex.Unlock(); } @@ -232,6 +250,136 @@ void VideoVPEOGL::ReturnEmptyOMXBuffer(OMX_BUFFERHEADERTYPE* buffer){ return OMX_ErrorNone; } +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + + enum PixelFormat VideoVPEOGL::get_format_transcode(struct AVCodecContext *s, const enum PixelFormat *fmt) + { + enum PixelFormat ret_pix=PIX_FMT_NONE; + + while (*fmt!=PIX_FMT_NONE) { + if (*fmt== PIX_FMT_TRANSCODE ) { + ret_pix=PIX_FMT_TRANSCODE; + } + fmt++; + } + return ret_pix; + } + + int VideoVPEOGL::reget_buffer_transcode(struct AVCodecContext *c, AVFrame *pic) + { + Log::getInstance()->log("Video", Log::DEBUG,"Buffer reusing! Should not happen!Not Implemented! \n"); + + return -1; + } + + int VideoVPEOGL::get_buffer_transcode(struct AVCodecContext *c, AVFrame *pic) + { + + //reget logic from mplayer + if (pic->opaque && pic->data[0] && (!pic->buffer_hints ||pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE )){ + Log::getInstance()->log("Video", Log::DEBUG,"Buffer reusing! Should not happen!\n"); + return 0; + } + + + if (c->pix_fmt!=PIX_FMT_TRANSCODE ) { + Log::getInstance()->log("Video", Log::DEBUG,"We only support transcode pixel fmt\n"); + return 0; + } + VideoVPEOGL *video=(VideoVPEOGL *)getInstance(); + transcode_pix_fmt *pix_trans=NULL; + OMX_BUFFERHEADERTYPE* our_buf=video->GetFreeOMXBufferforlibav(&pix_trans); + if (our_buf==NULL|| pix_trans==NULL) { + Log::getInstance()->log("Video", Log::DEBUG,"Getting buffer failed\n"); + return -1; + } else { + + } + + + + + //populate pict + pic->type=FF_BUFFER_TYPE_USER; // we are controlling the buffers + + pic->base[0]=(uint8_t*)our_buf; // our buf + //pic->extended_data=pic->data; + if(c->pkt) pic->pkt_pts=c->pkt->pts; + else pic->pkt_pts=AV_NOPTS_VALUE; + pic->width=c->width; + pic->height=c->height; + pic->format=c->pix_fmt; + pic->sample_aspect_ratio=c->sample_aspect_ratio; + pic->reordered_opaque= c->reordered_opaque; + //pic->age=INT_MAX; + pic->data[0]=(uint8_t*)pix_trans; + pix_trans->transcode_id=AV_TRANSCODE_ID; + pix_trans->packet.data=(uint8_t*)our_buf->pBuffer; + pix_trans->packet.size=our_buf->nAllocLen; + //that is all folks + + return 0; + + } + + OMX_BUFFERHEADERTYPE* VideoVPEOGL::GetFreeOMXBufferforlibav(transcode_pix_fmt **pix_trans) + { + OMX_BUFFERHEADERTYPE* returned_buf=NULL; + *pix_trans=NULL; + int time_out=0; + + while (returned_buf==NULL && time_out<100){ + input_bufs_omx_mutex.Lock(); + if (input_bufs_omx_free.size()!=0) { + returned_buf=input_bufs_omx_free.front(); + returned_buf->nFilledLen=0; + returned_buf->nOffset=0; + returned_buf->nTimeStamp=0; + input_bufs_omx_free.pop_front(); + input_bufs_omx_in_libav.push_back(returned_buf); + input_bufs_omx_mutex.Unlock(); + returned_buf->nFlags=OMX_BUFFERFLAG_TIME_UNKNOWN; + break; + } + input_bufs_omx_mutex.Unlock(); + Log::getInstance()->log("Video", Log::DEBUG, "GetFreeOMXBuffer_libav no free sample block"); + time_out++; + MILLISLEEP(20); + } + if (returned_buf) { + *pix_trans=pix_fmt_omx_free.front(); + pix_fmt_omx_free.pop_front(); // we assume that there is always a twin + } + return returned_buf; + } + + void VideoVPEOGL::release_buffer_transcode(struct AVCodecContext *c, AVFrame *pic) + { + VideoVPEOGL *video=(VideoVPEOGL *)getInstance(); + video->ReturnEmptyOMXBuffer_libav((OMX_BUFFERHEADERTYPE*) pic->base[0],(transcode_pix_fmt *)pic->data[0]); + pic->data[0]=NULL; //without doing this avcodec is going to cry + } + + void VideoVPEOGL::ReturnEmptyOMXBuffer_libav(OMX_BUFFERHEADERTYPE* buffer,transcode_pix_fmt *pix_fmt){ + input_bufs_omx_mutex.Lock(); + // We only return it, if it was not passed to OMX! + Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer_libav %d",input_bufs_omx_free.size()); + pix_fmt_omx_free.push_back(pix_fmt); + list::iterator itty=input_bufs_omx_in_libav.begin(); + while (itty!=input_bufs_omx_in_libav.end()) { + if (*itty==buffer) { + input_bufs_omx_in_libav.remove(buffer); + input_bufs_omx_free.push_back(buffer); + Log::getInstance()->log("Video", Log::NOTICE, "ReturnEmptyOMXBuffer_libav %d",input_bufs_omx_free.size()); + break; + } + } + input_bufs_omx_mutex.Unlock(); + } + + +#endif + #endif int VideoVPEOGL::shutdown() @@ -252,7 +400,7 @@ int VideoVPEOGL::shutdown() // close(fdVideo); return 1; } - +#ifdef VPE_LIBAV_SUPPORT int VideoVPEOGL::AllocateYUV400OglTexture(VPEOGLFrame* outframe,int width,int height,int stride) { Log::getInstance()->log("Video", Log::NOTICE, "Allocate ogl texture 400"); @@ -353,6 +501,7 @@ void VideoVPEOGL::recycleOGLRefFrames() } +#endif void VideoVPEOGL::threadMethod() { @@ -363,10 +512,11 @@ void VideoVPEOGL::threadMethod() long long run=0; while (1) { bool sleep=true; - bool upload=false; - bool view=false; + run++; #ifdef VPE_LIBAV_SUPPORT + bool upload=false; + bool view=false; dec_frame_libav_mutex.Lock(); AVFrame* dec_frame_libav_uploading_int=NULL; @@ -878,7 +1028,7 @@ int VideoVPEOGL::play() } if (doomx) { if (AllocateCodecsOMX()) { - decoding_backend=VPE_DECODER_OMX; + //decoding_backend=VPE_DECODER_OMX; return 1; // Otherwise fall back to libav } else { @@ -905,6 +1055,58 @@ int VideoVPEOGL::play() } +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + +int VideoVPEOGL::InitTranscoderLibAV() { + transcodecodec_context_libav = avcodec_alloc_context3(transcodecodec_libav); + if (!transcodecodec_context_libav) { + Log::getInstance()->log("Video", Log::DEBUG, "Alloc avcodec context failed!"); + return 0; + } + + transcodecodec_context_libav->slice_flags = SLICE_FLAG_CODED_ORDER; + + transcodecodec_context_libav->pix_fmt = PIX_FMT_TRANSCODE; + transcodecodec_context_libav->get_format = get_format_transcode; + transcodecodec_context_libav->get_buffer = get_buffer_transcode; + transcodecodec_context_libav->reget_buffer = reget_buffer_transcode; + transcodecodec_context_libav->release_buffer = release_buffer_transcode; + //transcodecodec_context_libav->flags |= CODEC_FLAG_TRUNCATED; + //transcodecodec_context_libav->time_base.den=9000; //pts values 90 KHz Clock /10; + + int avc_ret = avcodec_open2(transcodecodec_context_libav, transcodecodec_libav, NULL); + if (avc_ret < 0) { + Log::getInstance()->log("Video", Log::DEBUG, "Opening libav codec failed \n"); + return 0; + } + + memset(&incom_packet_libav, 0, sizeof(incom_packet_libav)); + incom_packet_libav_size = 200000; + incom_packet_libav.data = (uint8_t*) av_malloc(incom_packet_libav_size + FF_INPUT_BUFFER_PADDING_SIZE); + + return 1; +} + + + +int VideoVPEOGL::DeInitTranscoderLibAV() { + + av_free(incom_packet_libav.data); + incom_packet_libav.data=NULL; + incom_packet_libav_size=0; + + if (transcodecodec_context_libav) { + avcodec_close(transcodecodec_context_libav); + av_free(transcodecodec_context_libav); + transcodecodec_context_libav=NULL; + + } + + return 1; +} + +#endif + #ifdef VPE_OMX_SUPPORT int VideoVPEOGL::AllocateCodecsOMX() { @@ -1099,7 +1301,10 @@ int VideoVPEOGL::AllocateCodecsOMX() if (h264) { ft_type.eCompressionFormat=OMX_VIDEO_CodingAVC; } else { - ft_type.eCompressionFormat=OMX_VIDEO_CodingMPEG2; + //ft_type.eCompressionFormat=OMX_VIDEO_CodingMPEG2; + ft_type.eCompressionFormat=OMX_VIDEO_CodingMPEG4; + decoding_backend=VPE_DECODER_OMX_libav_TRANSCODE; + InitTranscoderLibAV(); } Demuxer* demux=Demuxer::getInstance(); @@ -1274,6 +1479,7 @@ int VideoVPEOGL::AllocateCodecsOMX() return 0; } + if (decoding_backend!=VPE_DECODER_OMX_libav_TRANSCODE) decoding_backend=VPE_DECODER_OMX; omx_running=true; return 1; @@ -1393,6 +1599,7 @@ int VideoVPEOGL::PrepareInputBufsOMX() port_def_type.bBuffersContiguous,port_def_type.nBufferAlignment);*/ port_def_type.nBufferCountActual=60; + port_def_type.nBufferSize=max(port_def_type.nBufferSize,200000); // for transcoder important error=OMX_SetParameter(omx_vid_dec,OMX_IndexParamPortDefinition, &port_def_type); @@ -1426,6 +1633,12 @@ int VideoVPEOGL::PrepareInputBufsOMX() } input_bufs_omx_all.push_back(buf_head); input_bufs_omx_free.push_back(buf_head); +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + transcode_pix_fmt* new_pix=NULL; + new_pix=(transcode_pix_fmt*)malloc(sizeof(transcode_pix_fmt)); + pix_fmt_omx_all.push_back(new_pix); + pix_fmt_omx_free.push_back(new_pix); +#endif } omx_first_frame=true; @@ -1458,9 +1671,18 @@ int VideoVPEOGL::DestroyInputBufsOMX() input_bufs_omx_mutex.Unlock(); return 0; } + +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + free(pix_fmt_omx_all[i]); +#endif } input_bufs_omx_all.clear(); input_bufs_omx_free.clear(); +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + input_bufs_omx_in_libav.clear(); + pix_fmt_omx_all.clear(); + pix_fmt_omx_free.clear(); +#endif input_bufs_omx_mutex.Unlock(); } @@ -1472,6 +1694,11 @@ int VideoVPEOGL::DeAllocateCodecsOMX() { OMX_ERRORTYPE error; omx_running=false; +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + if (decoding_backend==VPE_DECODER_OMX_libav_TRANSCODE) + DeInitTranscoderLibAV(); +#endif + if (omx_vid_dec) { // first flush all buffers @@ -2254,6 +2481,9 @@ UINT VideoVPEOGL::DeliverMediaPacket(MediaPacket packet, default: case 0: return 0; // no backend runnigng #ifdef VPE_OMX_SUPPORT case VPE_DECODER_OMX: return DeliverMediaPacketOMX(packet,buffer,samplepos); +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + case VPE_DECODER_OMX_libav_TRANSCODE: return DeliverMediaPacketOMXTranscode(packet,buffer,samplepos); +#endif #endif #ifdef VPE_LIBAV_SUPPORT case VPE_DECODER_libav: return DeliverMediaPacketlibav(packet,buffer,samplepos); @@ -2427,6 +2657,169 @@ UINT VideoVPEOGL::DeliverMediaPacketOMX(MediaPacket packet, #endif +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + + + +int VideoVPEOGL::DecodePacketOMXTranscode() +{ + unsigned int haveToCopy=incom_packet_libav.size; + if (incom_packet_libav.size==0) return 1; // we are already empty + + + while (haveToCopy>0) { + int dec_bytes=0; + int frame_ready=0; + + // Log::getInstance()->log("Video", Log::DEBUG, "Push data to decoder"); + +#ifdef BENCHMARK_FPS + int cur_time=getTimeMS(); +#endif + dec_bytes=avcodec_decode_video2(transcodecodec_context_libav, &transcode_frame_libav, + &frame_ready, &incom_packet_libav); +#ifdef BENCHMARK_FPS + time_in_decoder+=getTimeMS()-cur_time; + if (frame_ready) num_frames++; + if ((num_frames%100)==0) { + float fps=1000./(float)(time_in_decoder); + fps*=((float)num_frames); + Log::getInstance()->log("Video", Log::NOTICE, "Current Pure Decoding FPS %g", fps); + } +#endif + if (dec_bytes<0) { + Log::getInstance()->log("Video", Log::DEBUG, "Decoding frame failed %x", dec_bytes); + return 0; + } + haveToCopy-=dec_bytes; + if (frame_ready) { + struct transcode_pix_fmt *transcode=(struct transcode_pix_fmt *)transcode_frame_libav.data[0]; + //if (!benchmark) fwrite(transcode->packet.data,transcode->packet.size,1,output_file); + + + //add omx magic, this should be an omx packet + OMX_BUFFERHEADERTYPE* omx_packet=(OMX_BUFFERHEADERTYPE*)transcode_frame_libav.base[0]; + omx_packet->nFilledLen=transcode->packet.size; + + input_bufs_omx_mutex.Lock(); + input_bufs_omx_in_libav.remove(omx_packet); // say that it is passed down to the decoder + input_bufs_omx_mutex.Unlock(); + + OMX_ERRORTYPE error=OMX_EmptyThisBuffer(omx_vid_dec,omx_packet); + if (error!=OMX_ErrorNone){ + Log::getInstance()->log("Video", Log::DEBUG, "OMX_EmptyThisBuffer failed %x", error); + } + + + + } + + } + incom_packet_libav.size=0; + return 1; + +} + + +UINT VideoVPEOGL::DeliverMediaPacketOMXTranscode(MediaPacket packet, + const UCHAR* buffer, + UINT *samplepos) +{ + //Later add fail back code for libav + /*if (!videoon) { + *samplepos+=packet.length; + return packet.length; + }*/ + + if (!omx_running) return 0; // if we are not runnig do not do this + + + if (iframemode) { + //samplepos=0; + MILLISLEEP(10); + return 0; //Not in iframe mode! + } + + UINT headerstrip=0; + if (packet.disconti) { + firstsynched=false; + if (!DecodePacketOMXTranscode()) return 0; + } + + /*Inspect PES-Header */ + if (*samplepos==0) {//stripheader + headerstrip=buffer[packet.pos_buffer+8]+9/*is this right*/; + *samplepos+=headerstrip; + if ( packet.synched ) { + + if (!DecodePacketOMXTranscode()) return 0; // WriteOut old Data + + + incom_packet_libav.pts=packet.pts/3600; + incom_packet_libav.dts=packet.dts/3600; + // reftime1=packet.presentation_time; + // reftime2=reftime1+1; + firstsynched=true; + } else { + incom_packet_libav.pts=0; + incom_packet_libav.dts=0; + if (!firstsynched) {// + *samplepos=packet.length;//if we have not processed at least one + return packet.length;//synched packet ignore it! + } + } + } + + + + + + + /*if (cur_input_buf_omx->nFilledLen==0) {//will only be changed on first packet + /*if (packet.disconti) { + ms->SetDiscontinuity(TRUE); + } else { + ms->SetDiscontinuity(FALSE); + }* + //if (packet.synched) { + + //lastreftimePTS=packet.pts; + if (omx_first_frame) { // TODO time + cur_input_buf_omx->nFlags=OMX_BUFFERFLAG_STARTTIME; + omx_first_frame=false; + } else + + //} + //else + //{ + cur_input_buf_omx->nFlags=OMX_BUFFERFLAG_TIME_UNKNOWN; + + + // ms->SetSyncPoint(TRUE); + //} + + }*/ + unsigned int haveToCopy=packet.length-*samplepos; + + if ((incom_packet_libav_size-incom_packet_libav.size)< haveToCopy) { + // if the buffer is to small reallocate + incom_packet_libav_size+=haveToCopy; + incom_packet_libav.data=(uint8_t*)av_realloc(incom_packet_libav.data,incom_packet_libav_size+FF_INPUT_BUFFER_PADDING_SIZE); + Log::getInstance()->log("Video", Log::DEBUG, "Reallocate avpacket buffer to %d", incom_packet_libav_size); + } + memcpy(incom_packet_libav.data+incom_packet_libav.size,buffer+packet.pos_buffer+*samplepos,haveToCopy); + incom_packet_libav.size+=haveToCopy; + + *samplepos+=haveToCopy; + + + return *samplepos; + + +} + +#endif + #ifdef VPE_LIBAV_SUPPORT int VideoVPEOGL::DecodePacketlibav() diff --git a/videovpeogl.h b/videovpeogl.h old mode 100755 new mode 100644 index bcee749..e4ee138 --- a/videovpeogl.h +++ b/videovpeogl.h @@ -66,17 +66,28 @@ struct VPE_OMX_EVENT { #endif -#ifdef VPE_LIBAV_SUPPORT - -#include +#if defined(VPE_LIBAV_MPEG2_TRANSCODING) || defined(VPE_LIBAV_SUPPORT) extern "C" { - #include -#include #include #include +} +#endif + +#ifdef VPE_LIBAV_MPEG2_TRANSCODING +extern "C" { +#include +} +#if !defined(VPE_OMX_SUPPORT) +#error "VPE_LIBAV_MPEG2_TRANSCODING defined, and not VPE_OMX_SUPPORT defined!" +#endif +#endif +#ifdef VPE_LIBAV_SUPPORT +#include +extern "C" { +#include } #include "glmocoshader.h" @@ -189,9 +200,10 @@ class VideoVPEOGL : public Video, public Thread_TYPE UINT DeliverMediaPacket(MediaPacket packet, const UCHAR* bulibaver, UINT *samplepos); - int decoding_backend; //1 omx, 2 libav + int decoding_backend; //1 omx, 2 libav, 3 omx through lib av transcoder #define VPE_DECODER_OMX 1 #define VPE_DECODER_libav 2 +#define VPE_DECODER_OMX_libav_TRANSCODE 3 #ifdef VPE_OMX_SUPPORT static OMX_ERRORTYPE EventHandler_OMX(OMX_IN OMX_HANDLETYPE handle,OMX_IN OMX_PTR appdata, @@ -259,7 +271,39 @@ class VideoVPEOGL : public Video, public Thread_TYPE #endif -#ifdef VPE_LIBAV_SUPPORT +#ifdef VPE_LIBAV_MPEG2_TRANSCODING + list input_bufs_omx_in_libav; + vector pix_fmt_omx_all; + list pix_fmt_omx_free; + // this is for + AVCodec *transcodecodec_libav; + AVCodecContext *transcodecodec_context_libav; + AVFrame transcode_frame_libav; + + static enum PixelFormat get_format_transcode(struct AVCodecContext *s, const enum PixelFormat *fmt); + static int reget_buffer_transcode(struct AVCodecContext *c, AVFrame *pic); + static int get_buffer_transcode(struct AVCodecContext *c, AVFrame *pic); + OMX_BUFFERHEADERTYPE* GetFreeOMXBufferforlibav(transcode_pix_fmt **pix_trans); + static void release_buffer_transcode(struct AVCodecContext *c, AVFrame *pic); + void ReturnEmptyOMXBuffer_libav(OMX_BUFFERHEADERTYPE* buffer,transcode_pix_fmt *pix_fmt); + + + UINT DeliverMediaPacketOMXTranscode(MediaPacket packet,const UCHAR* bulibaver,UINT *samplepos); + int DecodePacketOMXTranscode(); + int InitTranscoderLibAV(); + int DeInitTranscoderLibAV(); + + +#endif + +#if defined(VPE_LIBAV_MPEG2_TRANSCODING) || defined(VPE_LIBAV_SUPPORT) + AVPacket incom_packet_libav; + int incom_packet_libav_size; + + +#endif + +#ifdef VPE_LIBAV_SUPPORT // this is the data for software decoding subject to removal const static int VPE_NO_XVMC=0; const static int VPE_XVMC_MOCOMP=1; @@ -295,8 +339,7 @@ class VideoVPEOGL : public Video, public Thread_TYPE - AVPacket incom_packet_libav; - int incom_packet_libav_size; + Mutex dec_frame_libav_mutex; @@ -321,7 +364,7 @@ class VideoVPEOGL : public Video, public Thread_TYPE GLMocoShader *moco_shader; -#endif + vector all_ogl_frames; list free_ogl_frames; @@ -337,6 +380,7 @@ class VideoVPEOGL : public Video, public Thread_TYPE int AllocateYUV400OglTexture(VPEOGLFrame* outframe,int width,int height,int stride); int AllocateYUV444OglTexture(VPEOGLFrame* outframe,int width,int height,int stride); +#endif virtual void threadMethod(); virtual void threadPostStopCleanup(); -- 2.39.5