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https://git.videolan.org/git/ffmpeg.git
synced 2024-09-07 16:40:10 +02:00
mpegvideo: Rework frame_size_alloc function
Use more generic arguments and remove its static attribute since it will be moved to a separate file.
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da0c8664b4
commit
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@ -343,25 +343,25 @@ av_cold void ff_mpv_idct_init(MpegEncContext *s)
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ff_init_scantable(s->idsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
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}
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static int frame_size_alloc(MpegEncContext *s, int linesize)
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int ff_mpeg_framesize_alloc(AVCodecContext *avctx, MotionEstContext *me,
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ScratchpadContext *sc, int linesize)
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{
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int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
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ScratchpadContext *sc = &s->sc;
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// edge emu needs blocksize + filter length - 1
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// (= 17x17 for halfpel / 21x21 for h264)
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// VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9
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// at uvlinesize. It supports only YUV420 so 24x24 is enough
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// linesize * interlaced * MBsize
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FF_ALLOCZ_OR_GOTO(s->avctx, sc->edge_emu_buffer, alloc_size * 2 * 24,
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FF_ALLOCZ_OR_GOTO(avctx, sc->edge_emu_buffer, alloc_size * 2 * 24,
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fail);
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FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 2 * 16 * 3,
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FF_ALLOCZ_OR_GOTO(avctx, me->scratchpad, alloc_size * 2 * 16 * 3,
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fail)
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s->me.temp = s->me.scratchpad;
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sc->rd_scratchpad = s->me.scratchpad;
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sc->b_scratchpad = s->me.scratchpad;
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sc->obmc_scratchpad = s->me.scratchpad + 16;
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me->temp = me->scratchpad;
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sc->rd_scratchpad = me->scratchpad;
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sc->b_scratchpad = me->scratchpad;
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sc->obmc_scratchpad = me->scratchpad + 16;
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return 0;
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fail:
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@ -441,7 +441,8 @@ static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
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}
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if (!s->sc.edge_emu_buffer &&
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(ret = frame_size_alloc(s, pic->f->linesize[0])) < 0) {
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(ret = ff_mpeg_framesize_alloc(s->avctx, &s->me, &s->sc,
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pic->f->linesize[0])) < 0) {
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av_log(s->avctx, AV_LOG_ERROR,
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"get_buffer() failed to allocate context scratch buffers.\n");
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ff_mpeg_unref_picture(s->avctx, pic);
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@ -804,7 +805,8 @@ int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
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dst->pblocks[5] = tmp;
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}
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if (!dst->sc.edge_emu_buffer &&
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(ret = frame_size_alloc(dst, dst->linesize)) < 0) {
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(ret = ff_mpeg_framesize_alloc(dst->avctx, &dst->me,
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&dst->sc, dst->linesize)) < 0) {
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av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context "
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"scratch buffers.\n");
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return ret;
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@ -919,7 +921,8 @@ do {\
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// linesize dependend scratch buffer allocation
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if (!s->sc.edge_emu_buffer)
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if (s1->linesize) {
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if (frame_size_alloc(s, s1->linesize) < 0) {
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if (ff_mpeg_framesize_alloc(s->avctx, &s->me,
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&s->sc, s1->linesize) < 0) {
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av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context "
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"scratch buffers.\n");
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return AVERROR(ENOMEM);
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@ -710,6 +710,8 @@ void ff_mpv_motion(MpegEncContext *s,
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*/
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int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared);
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int ff_mpeg_framesize_alloc(AVCodecContext *avctx, MotionEstContext *me,
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ScratchpadContext *sc, int linesize);
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/**
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* permute block according to permuatation.
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* @param last last non zero element in scantable order
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