From 9472d37d8e137df1e78e973b8b0e0d5607a799d5 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Fri, 9 Sep 2011 14:26:32 +0200 Subject: rv34: frame-level multi-threading Statistics for bourne.rmvb -an -f null 1 thread: 37.12s user 0.03s system 99% cpu 37.174 total 2 threads: 47.63s user 0.24s system 185% cpu 25.807 total 4 threads: 41.21s user 0.30s system 327% cpu 12.674 total --- libavcodec/rv34.c | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) (limited to 'libavcodec/rv34.c') diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index f9f8677385..ec826fd074 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -24,12 +24,16 @@ * RV30/40 decoder common data */ +#include "libavutil/internal.h" + #include "avcodec.h" #include "dsputil.h" #include "mpegvideo.h" #include "golomb.h" +#include "internal.h" #include "mathops.h" #include "rectangle.h" +#include "thread.h" #include "rv34vlc.h" #include "rv34data.h" @@ -669,6 +673,14 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type, if(uvmx == 6 && uvmy == 6) uvmx = uvmy = 4; } + + if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) { + /* wait for the referenced mb row to be finished */ + int mb_row = FFMIN(s->mb_height - 1, s->mb_y + ((yoff + my + 21) >> 4)); + AVFrame *f = dir ? &s->next_picture_ptr->f : &s->last_picture_ptr->f; + ff_thread_await_progress(f, mb_row, 0); + } + dxy = ly*4 + lx; srcY = dir ? s->next_picture_ptr->f.data[0] : s->last_picture_ptr->f.data[0]; srcU = dir ? s->next_picture_ptr->f.data[1] : s->last_picture_ptr->f.data[1]; @@ -824,6 +836,10 @@ static int rv34_decode_mv(RV34DecContext *r, int block_type) } case RV34_MB_B_DIRECT: //surprisingly, it uses motion scheme from next reference frame + /* wait for the current mb row to be finished */ + if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) + ff_thread_await_progress(&s->next_picture_ptr->f, s->mb_y - 1, 0); + next_bt = s->next_picture_ptr->f.mb_type[s->mb_x + s->mb_y * s->mb_stride]; if(IS_INTRA(next_bt) || IS_SKIP(next_bt)){ ZERO8x2(s->current_picture_ptr->f.motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride); @@ -1255,6 +1271,7 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int } } s->mb_x = s->mb_y = 0; + ff_thread_finish_setup(s->avctx); } else { int slice_type = r->si.type ? r->si.type : AV_PICTURE_TYPE_I; @@ -1299,6 +1316,11 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int if(r->loop_filter && s->mb_y >= 2) r->loop_filter(r, s->mb_y - 2); + + if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) + ff_thread_report_progress(&s->current_picture_ptr->f, + s->mb_y - 2, 0); + } if(s->mb_x == s->resync_mb_x) s->first_slice_line=0; @@ -1364,6 +1386,71 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx) return 0; } +int ff_rv34_decode_init_thread_copy(AVCodecContext *avctx) +{ + RV34DecContext *r = avctx->priv_data; + + r->s.avctx = avctx; + + if (avctx->internal->is_copy) { + r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height * + sizeof(*r->cbp_chroma)); + r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height * + sizeof(*r->cbp_luma)); + r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height * + sizeof(*r->deblock_coefs)); + r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 * + sizeof(*r->intra_types_hist)); + r->mb_type = av_malloc(r->s.mb_stride * r->s.mb_height * + sizeof(*r->mb_type)); + + if (!(r->cbp_chroma && r->cbp_luma && r->deblock_coefs && + r->intra_types_hist && r->mb_type)) { + av_freep(&r->cbp_chroma); + av_freep(&r->cbp_luma); + av_freep(&r->deblock_coefs); + av_freep(&r->intra_types_hist); + av_freep(&r->mb_type); + r->intra_types = NULL; + return AVERROR(ENOMEM); + } + + r->intra_types = r->intra_types_hist + r->intra_types_stride * 4; + r->tmp_b_block_base = NULL; + + memset(r->mb_type, 0, r->s.mb_stride * r->s.mb_height * + sizeof(*r->mb_type)); + + MPV_common_init(&r->s); + } + return 0; +} + +int ff_rv34_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src) +{ + RV34DecContext *r = dst->priv_data, *r1 = src->priv_data; + MpegEncContext * const s = &r->s, * const s1 = &r1->s; + int err; + + if (dst == src || !s1->context_initialized) + return 0; + + if ((err = ff_mpeg_update_thread_context(dst, src))) + return err; + + r->cur_pts = r1->cur_pts; + r->last_pts = r1->last_pts; + r->next_pts = r1->next_pts; + + memset(&r->si, 0, sizeof(r->si)); + + /* necessary since it is it the condition checked for in decode_slice + * to call MPV_frame_start. cmp. comment at the end of decode_frame */ + s->current_picture_ptr = NULL; + + return 0; +} + static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n) { if(avctx->slice_count) return avctx->slice_offset[n]; @@ -1465,6 +1552,9 @@ int ff_rv34_decode_frame(AVCodecContext *avctx, if(last && s->current_picture_ptr){ if(r->loop_filter) r->loop_filter(r, s->mb_height - 1); + if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) + ff_thread_report_progress(&s->current_picture_ptr->f, + s->mb_height - 1, 0); ff_er_frame_end(s); MPV_frame_end(s); if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) { -- cgit v1.2.3