mirror of https://git.ffmpeg.org/ffmpeg.git
svq1enc: use the AVFrame API properly.
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219b35f5d1
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394ef4d18f
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@ -46,9 +46,8 @@ typedef struct SVQ1Context {
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AVCodecContext *avctx;
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DSPContext dsp;
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HpelDSPContext hdsp;
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AVFrame picture;
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AVFrame current_picture;
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AVFrame last_picture;
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AVFrame *current_picture;
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AVFrame *last_picture;
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PutBitContext pb;
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GetBitContext gb;
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@ -265,13 +264,14 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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unsigned char *decoded_plane,
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int width, int height, int src_stride, int stride)
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{
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const AVFrame *f = s->avctx->coded_frame;
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int x, y;
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int i;
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int block_width, block_height;
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int level;
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int threshold[6];
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uint8_t *src = s->scratchbuf + stride * 16;
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const int lambda = (s->picture.quality * s->picture.quality) >>
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const int lambda = (f->quality * f->quality) >>
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(2 * FF_LAMBDA_SHIFT);
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/* figure out the acceptable level thresholds in advance */
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@ -282,7 +282,7 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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block_width = (width + 15) / 16;
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block_height = (height + 15) / 16;
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if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
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if (f->pict_type == AV_PICTURE_TYPE_P) {
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s->m.avctx = s->avctx;
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s->m.current_picture_ptr = &s->m.current_picture;
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s->m.last_picture_ptr = &s->m.last_picture;
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@ -298,13 +298,13 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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s->m.mb_stride = s->m.mb_width + 1;
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s->m.b8_stride = 2 * s->m.mb_width + 1;
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s->m.f_code = 1;
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s->m.pict_type = s->picture.pict_type;
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s->m.pict_type = f->pict_type;
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s->m.me_method = s->avctx->me_method;
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s->m.me.scene_change_score = 0;
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s->m.flags = s->avctx->flags;
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// s->m.out_format = FMT_H263;
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// s->m.unrestricted_mv = 1;
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s->m.lambda = s->picture.quality;
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s->m.lambda = f->quality;
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s->m.qscale = s->m.lambda * 139 +
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FF_LAMBDA_SCALE * 64 >>
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FF_LAMBDA_SHIFT + 7;
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@ -397,13 +397,13 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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ff_init_block_index(&s->m);
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ff_update_block_index(&s->m);
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if (s->picture.pict_type == AV_PICTURE_TYPE_I ||
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if (f->pict_type == AV_PICTURE_TYPE_I ||
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(s->m.mb_type[x + y * s->m.mb_stride] &
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CANDIDATE_MB_TYPE_INTRA)) {
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for (i = 0; i < 6; i++)
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init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i],
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7 * 32);
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if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
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if (f->pict_type == AV_PICTURE_TYPE_P) {
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const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
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put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
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score[0] = vlc[1] * lambda;
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@ -419,7 +419,7 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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best = 0;
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if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
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if (f->pict_type == AV_PICTURE_TYPE_P) {
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const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER];
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int mx, my, pred_x, pred_y, dxy;
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int16_t *motion_ptr;
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@ -499,13 +499,48 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
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return 0;
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}
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static av_cold int svq1_encode_end(AVCodecContext *avctx)
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{
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SVQ1Context *const s = avctx->priv_data;
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int i;
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av_log(avctx, AV_LOG_DEBUG, "RD: %f\n",
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s->rd_total / (double)(avctx->width * avctx->height *
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avctx->frame_number));
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av_freep(&s->m.me.scratchpad);
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av_freep(&s->m.me.map);
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av_freep(&s->m.me.score_map);
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av_freep(&s->mb_type);
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av_freep(&s->dummy);
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av_freep(&s->scratchbuf);
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for (i = 0; i < 3; i++) {
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av_freep(&s->motion_val8[i]);
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av_freep(&s->motion_val16[i]);
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}
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av_frame_free(&s->current_picture);
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av_frame_free(&s->last_picture);
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av_frame_free(&avctx->coded_frame);
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return 0;
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}
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static av_cold int svq1_encode_init(AVCodecContext *avctx)
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{
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SVQ1Context *const s = avctx->priv_data;
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ff_dsputil_init(&s->dsp, avctx);
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ff_hpeldsp_init(&s->hdsp, avctx->flags);
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avctx->coded_frame = &s->picture;
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avctx->coded_frame = av_frame_alloc();
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s->current_picture = av_frame_alloc();
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s->last_picture = av_frame_alloc();
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if (!avctx->coded_frame || !s->current_picture || !s->last_picture) {
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svq1_encode_end(avctx);
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return AVERROR(ENOMEM);
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}
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s->frame_width = avctx->width;
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s->frame_height = avctx->height;
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@ -537,8 +572,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *pict, int *got_packet)
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{
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SVQ1Context *const s = avctx->priv_data;
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AVFrame *const p = &s->picture;
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AVFrame temp;
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AVFrame *const p = avctx->coded_frame;
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int i, ret;
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if (!pkt->data &&
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@ -553,33 +587,31 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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return -1;
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}
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if (!s->current_picture.data[0]) {
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ff_get_buffer(avctx, &s->current_picture, 0);
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ff_get_buffer(avctx, &s->last_picture, 0);
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s->scratchbuf = av_malloc(s->current_picture.linesize[0] * 16 * 2);
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if (!s->current_picture->data[0]) {
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ff_get_buffer(avctx, s->current_picture, 0);
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ff_get_buffer(avctx, s->last_picture, 0);
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s->scratchbuf = av_malloc(s->current_picture->linesize[0] * 16 * 2);
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}
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temp = s->current_picture;
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s->current_picture = s->last_picture;
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s->last_picture = temp;
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FFSWAP(AVFrame*, s->current_picture, s->last_picture);
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init_put_bits(&s->pb, pkt->data, pkt->size);
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*p = *pict;
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p->pict_type = avctx->gop_size && avctx->frame_number % avctx->gop_size ?
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AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
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p->key_frame = p->pict_type == AV_PICTURE_TYPE_I;
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p->quality = pict->quality;
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svq1_write_header(s, p->pict_type);
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for (i = 0; i < 3; i++)
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if (svq1_encode_plane(s, i,
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s->picture.data[i],
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s->last_picture.data[i],
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s->current_picture.data[i],
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pict->data[i],
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s->last_picture->data[i],
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s->current_picture->data[i],
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s->frame_width / (i ? 4 : 1),
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s->frame_height / (i ? 4 : 1),
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s->picture.linesize[i],
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s->current_picture.linesize[i]) < 0)
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pict->linesize[i],
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s->current_picture->linesize[i]) < 0)
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return -1;
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// avpriv_align_put_bits(&s->pb);
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@ -596,33 +628,6 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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return 0;
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}
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static av_cold int svq1_encode_end(AVCodecContext *avctx)
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{
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SVQ1Context *const s = avctx->priv_data;
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int i;
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av_log(avctx, AV_LOG_DEBUG, "RD: %f\n",
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s->rd_total / (double)(avctx->width * avctx->height *
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avctx->frame_number));
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av_freep(&s->m.me.scratchpad);
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av_freep(&s->m.me.map);
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av_freep(&s->m.me.score_map);
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av_freep(&s->mb_type);
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av_freep(&s->dummy);
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av_freep(&s->scratchbuf);
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for (i = 0; i < 3; i++) {
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av_freep(&s->motion_val8[i]);
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av_freep(&s->motion_val16[i]);
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}
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av_frame_unref(&s->current_picture);
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av_frame_unref(&s->last_picture);
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return 0;
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}
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AVCodec ff_svq1_encoder = {
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.name = "svq1",
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.long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),
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