// init driver
static int init(sh_video_t *sh){
AVCodecContext *avctx;
vd_ffmpeg_ctx *ctx;
AVCodec *lavc_codec;
int lowres_w=0;
int do_vis_debug= lavc_param_vismv || (lavc_param_debug&(FF_DEBUG_VIS_MB_TYPE|FF_DEBUG_VIS_QP));
// slice is rather broken with threads, so disable that combination unless
// explicitly requested
int use_slices = vd_use_slices > 0 || (vd_use_slices < 0 && lavc_param_threads <= 1);
AVDictionary *opts = NULL;
init_avcodec();
ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx));
if (!ctx)
return 0;
memset(ctx, 0, sizeof(vd_ffmpeg_ctx));
lavc_codec = avcodec_find_decoder_by_name(sh->codec->dll);
if(!lavc_codec){
mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_MissingLAVCcodec, sh->codec->dll);
uninit(sh);
return 0;
}
if (auto_threads) {
#if (defined(__MINGW32__) && HAVE_PTHREADS)
lavc_param_threads = pthread_num_processors_np();
#elif defined(__linux__)
/* Code stolen from x264 :) */
unsigned int bit;
int np;
cpu_set_t p_aff;
memset( &p_aff, 0, sizeof(p_aff) );
sched_getaffinity( 0, sizeof(p_aff), &p_aff );
for( np = 0, bit = 0; bit < sizeof(p_aff); bit++ )
np += (((uint8_t *)&p_aff)[bit / 8] >> (bit % 8)) & 1;
lavc_param_threads = np;
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__APPLE__) || defined (__NetBSD__) || defined(__OpenBSD__)
/* Code stolen from x264 :) */
int numberOfCPUs;
size_t length = sizeof( numberOfCPUs );
#if defined (__NetBSD__) || defined(__OpenBSD__)
int mib[2] = { CTL_HW, HW_NCPU };
if( sysctl(mib, 2, &numberOfCPUs, &length, NULL, 0) )
#else
if( sysctlbyname("hw.ncpu", &numberOfCPUs, &length, NULL, 0) )
#endif
{
numberOfCPUs = 1;
}
lavc_param_threads = numberOfCPUs;
#endif
if(lavc_codec->id == CODEC_ID_H264 || lavc_codec->id == CODEC_ID_FFH264
|| lavc_codec->id == CODEC_ID_MPEG2TS || lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC) {
if (lavc_param_threads > 16) lavc_param_threads = 16;
if (lavc_param_threads > 1 && (lavc_codec->id == CODEC_ID_MPEG2VIDEO ||
lavc_codec->id == CODEC_ID_MPEG2TS || lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC))
vd_use_slices = 0;
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "Spawning %d decoding thread%s...\n", lavc_param_threads, lavc_param_threads == 1 ? "" : "s");
} else {
lavc_param_threads = 1;
}
}
if(use_slices && (lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND) && !do_vis_debug)
ctx->do_slices=1;
if(lavc_codec->capabilities&CODEC_CAP_DR1 && !do_vis_debug && lavc_codec->id != CODEC_ID_INTERPLAY_VIDEO && lavc_codec->id != CODEC_ID_VP8)
ctx->do_dr1=1;
ctx->nonref_dr = lavc_codec->id == CODEC_ID_H264;
ctx->ip_count= ctx->b_count= 0;
ctx->pic = avcodec_alloc_frame();
ctx->avctx = avcodec_alloc_context3(lavc_codec);
avctx = ctx->avctx;
avctx->opaque = sh;
avctx->codec_id = lavc_codec->id;
avctx->get_format = get_format;
if(ctx->do_dr1){
avctx->flags|= CODEC_FLAG_EMU_EDGE;
avctx-> get_buffer= get_buffer;
avctx->release_buffer= release_buffer;
avctx-> reget_buffer= get_buffer;
}
avctx->flags|= lavc_param_bitexact;
avctx->coded_width = sh->disp_w;
avctx->coded_height= sh->disp_h;
avctx->workaround_bugs= lavc_param_workaround_bugs;
switch (lavc_param_error_resilience) {
case 5:
avctx->err_recognition |= AV_EF_EXPLODE | AV_EF_COMPLIANT | AV_EF_CAREFUL;
break;
case 4:
case 3:
avctx->err_recognition |= AV_EF_AGGRESSIVE;
// Fallthrough
case 2:
avctx->err_recognition |= AV_EF_COMPLIANT;
// Fallthrough
case 1:
avctx->err_recognition |= AV_EF_CAREFUL;
}
lavc_param_gray|= CODEC_FLAG_GRAY;
#ifdef CODEC_FLAG2_SHOW_ALL
if(!lavc_param_wait_keyframe) avctx->flags2 |= CODEC_FLAG2_SHOW_ALL;
#endif
avctx->flags2|= lavc_param_fast;
avctx->codec_tag= sh->format;
avctx->stream_codec_tag= sh->video.fccHandler;
avctx->idct_algo= lavc_param_idct_algo;
avctx->error_concealment= lavc_param_error_concealment;
avctx->debug= lavc_param_debug;
if (lavc_param_debug)
av_log_set_level(AV_LOG_DEBUG);
avctx->debug_mv= lavc_param_vismv;
avctx->skip_top = lavc_param_skip_top;
avctx->skip_bottom= lavc_param_skip_bottom;
if(lavc_param_lowres_str != NULL)
{
sscanf(lavc_param_lowres_str, "%d,%d", &lavc_param_lowres, &lowres_w);
if(lavc_param_lowres < 1 || lavc_param_lowres > 16 || (lowres_w > 0 && avctx->width < lowres_w))
lavc_param_lowres = 0;
avctx->lowres = lavc_param_lowres;
}
avctx->skip_loop_filter = str2AVDiscard(lavc_param_skip_loop_filter_str);
avctx->skip_idct = str2AVDiscard(lavc_param_skip_idct_str);
avctx->skip_frame = str2AVDiscard(lavc_param_skip_frame_str);
if(lavc_avopt){
if (parse_avopts(avctx, lavc_avopt) < 0 &&
(!lavc_codec->priv_class ||
parse_avopts(avctx->priv_data, lavc_avopt) < 0)) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", lavc_avopt);
uninit(sh);
return 0;
}
}
skip_idct = avctx->skip_idct;
skip_frame = avctx->skip_frame;
mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "libavcodec.size: %d x %d\n", avctx->width, avctx->height);
switch (sh->format) {
case mmioFOURCC('S','V','Q','3'):
/* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
in the phony AVI header if demux_lavf is used. The first case is
handled here; the second case falls through to the next section. */
if (sh->ImageDesc) {
avctx->extradata_size = (*(int *)sh->ImageDesc) - sizeof(int);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, ((int *)sh->ImageDesc)+1, avctx->extradata_size);
break;
}
/* fallthrough */
case mmioFOURCC('A','V','R','n'):
case mmioFOURCC('M','J','P','G'):
/* AVRn stores huffman table in AVI header */
/* Pegasus MJPEG stores it also in AVI header, but it uses the common
MJPG fourcc :( */
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
av_dict_set(&opts, "extern_huff", "1", 0);
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
#if 0
{
int x;
uint8_t *p = avctx->extradata;
for (x=0; x<avctx->extradata_size; x++)
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "[%x] ", p[x]);
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "\n");
}
#endif
break;
case mmioFOURCC('R', 'V', '1', '0'):
case mmioFOURCC('R', 'V', '1', '3'):
case mmioFOURCC('R', 'V', '2', '0'):
case mmioFOURCC('R', 'V', '3', '0'):
case mmioFOURCC('R', 'V', '4', '0'):
if(sh->bih->biSize<sizeof(*sh->bih)+8){
/* only 1 packet per frame & sub_id from fourcc */
avctx->extradata_size= 8;
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
((uint32_t *)avctx->extradata)[0] = 0;
((uint32_t *)avctx->extradata)[1] =
(sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000;
} else {
/* has extra slice header (demux_rm or rm->avi streamcopy) */
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
}
avctx->sub_id= AV_RB32(avctx->extradata+4);
// printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]);
break;
default:
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
break;
}
if(sh->bih)
avctx->bits_per_coded_sample= sh->bih->biBitCount;
avctx->thread_count = lavc_param_threads;
avctx->thread_type = FF_THREAD_FRAME | FF_THREAD_SLICE;
if(lavc_codec->capabilities & CODEC_CAP_HWACCEL)
// HACK around badly placed checks in mpeg_mc_decode_init
set_format_params(avctx, PIX_FMT_XVMC_MPEG2_IDCT);
/* open it */
if (avcodec_open2(avctx, lavc_codec, &opts) < 0) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_CantOpenCodec);
uninit(sh);
return 0;
}
av_dict_free(&opts);
// this is necessary in case get_format was never called and init_vo is
// too late e.g. for H.264 VDPAU
set_format_params(avctx, avctx->pix_fmt);
mp_msg(MSGT_DECVIDEO, MSGL_V, "INFO: libavcodec init OK!\n");
return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12);
}
// init driver
static int init(sh_video_t *sh){
AVCodecContext *avctx;
vd_ffmpeg_ctx *ctx;
AVCodec *lavc_codec;
int lowres_w=0;
AVDictionary *opts = NULL;
init_avcodec();
ctx = sh->context = malloc(sizeof(vd_ffmpeg_ctx));
if (!ctx)
return 0;
memset(ctx, 0, sizeof(vd_ffmpeg_ctx));
lavc_codec = avcodec_find_decoder_by_name(sh->codec->dll);
if(!lavc_codec){
mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_MissingLAVCcodec, sh->codec->dll);
uninit(sh);
return 0;
}
ctx->ip_count= ctx->b_count= 0;
ctx->pic = avcodec_alloc_frame();
ctx->avctx = avcodec_alloc_context3(lavc_codec);
avctx = ctx->avctx;
avctx->opaque = sh;
avctx->codec_id = lavc_codec->id;
avctx->get_format = get_format;
avctx->flags|= lavc_param_bitexact;
avctx->coded_width = sh->disp_w;
avctx->coded_height= sh->disp_h;
avctx->workaround_bugs= lavc_param_workaround_bugs;
switch (lavc_param_error_resilience) {
case 5:
avctx->err_recognition |= AV_EF_EXPLODE | AV_EF_COMPLIANT | AV_EF_CAREFUL;
break;
case 4:
case 3:
avctx->err_recognition |= AV_EF_AGGRESSIVE;
// Fallthrough
case 2:
avctx->err_recognition |= AV_EF_COMPLIANT;
// Fallthrough
case 1:
avctx->err_recognition |= AV_EF_CAREFUL;
}
lavc_param_gray|= CODEC_FLAG_GRAY;
#ifdef CODEC_FLAG2_SHOW_ALL
if(!lavc_param_wait_keyframe) avctx->flags2 |= CODEC_FLAG2_SHOW_ALL;
#endif
avctx->flags2|= lavc_param_fast;
avctx->codec_tag= sh->format;
avctx->stream_codec_tag= sh->video.fccHandler;
avctx->idct_algo= lavc_param_idct_algo;
avctx->error_concealment= lavc_param_error_concealment;
avctx->debug= lavc_param_debug;
if (lavc_param_debug)
av_log_set_level(AV_LOG_DEBUG);
avctx->debug_mv= lavc_param_vismv;
avctx->skip_top = lavc_param_skip_top;
avctx->skip_bottom= lavc_param_skip_bottom;
if(lavc_param_lowres_str != NULL)
{
sscanf(lavc_param_lowres_str, "%d,%d", &lavc_param_lowres, &lowres_w);
if(lavc_param_lowres < 1 || lavc_param_lowres > 16 || (lowres_w > 0 && avctx->width < lowres_w))
lavc_param_lowres = 0;
avctx->lowres = lavc_param_lowres;
}
avctx->skip_loop_filter = str2AVDiscard(lavc_param_skip_loop_filter_str);
avctx->skip_idct = str2AVDiscard(lavc_param_skip_idct_str);
avctx->skip_frame = str2AVDiscard(lavc_param_skip_frame_str);
av_opt_set_int(avctx, "skip_alpha", 1, 0);
if(lavc_avopt){
if (parse_avopts(avctx, lavc_avopt) < 0 &&
(!lavc_codec->priv_class ||
parse_avopts(avctx->priv_data, lavc_avopt) < 0)) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", lavc_avopt);
uninit(sh);
return 0;
}
}
skip_idct = avctx->skip_idct;
skip_frame = avctx->skip_frame;
mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "libavcodec.size: %d x %d\n", avctx->width, avctx->height);
switch (sh->format) {
case mmioFOURCC('S','V','Q','3'):
/* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
in the phony AVI header if demux_lavf is used. The first case is
handled here; the second case falls through to the next section. */
if (sh->ImageDesc) {
avctx->extradata_size = (*(int *)sh->ImageDesc) - sizeof(int);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, ((int *)sh->ImageDesc)+1, avctx->extradata_size);
break;
}
/* fallthrough */
case mmioFOURCC('A','V','R','n'):
case mmioFOURCC('M','J','P','G'):
/* AVRn stores huffman table in AVI header */
/* Pegasus MJPEG stores it also in AVI header, but it uses the common
MJPG fourcc :( */
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
av_dict_set(&opts, "extern_huff", "1", 0);
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
#if 0
{
int x;
uint8_t *p = avctx->extradata;
for (x=0; x<avctx->extradata_size; x++)
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "[%x] ", p[x]);
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "\n");
}
#endif
break;
case mmioFOURCC('R', 'V', '1', '0'):
case mmioFOURCC('R', 'V', '1', '3'):
case mmioFOURCC('R', 'V', '2', '0'):
case mmioFOURCC('R', 'V', '3', '0'):
case mmioFOURCC('R', 'V', '4', '0'):
if(sh->bih->biSize<sizeof(*sh->bih)+8){
/* only 1 packet per frame & sub_id from fourcc */
avctx->extradata_size= 8;
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
((uint32_t *)avctx->extradata)[0] = 0;
((uint32_t *)avctx->extradata)[1] =
(sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000;
} else {
/* has extra slice header (demux_rm or rm->avi streamcopy) */
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
}
// printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]);
break;
default:
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
break;
}
if(sh->bih)
avctx->bits_per_coded_sample= sh->bih->biBitCount;
set_dr_slice_settings(avctx, lavc_codec);
if(lavc_codec->capabilities & CODEC_CAP_HWACCEL)
// HACK around badly placed checks in mpeg_mc_decode_init
set_format_params(avctx, PIX_FMT_XVMC_MPEG2_IDCT);
avctx->thread_count = lavc_param_threads;
avctx->thread_type = FF_THREAD_FRAME | FF_THREAD_SLICE;
/* open it */
if (avcodec_open2(avctx, lavc_codec, &opts) < 0) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, MSGTR_CantOpenCodec);
uninit(sh);
return 0;
}
av_dict_free(&opts);
// this is necessary in case get_format was never called and init_vo is
// too late e.g. for H.264 VDPAU
set_format_params(avctx, avctx->pix_fmt);
mp_msg(MSGT_DECVIDEO, MSGL_V, "INFO: libavcodec init OK!\n");
return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12);
}