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@ -221,7 +221,7 @@ static void MPV_encode_defaults(MpegEncContext *s) |
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av_cold int ff_MPV_encode_init(AVCodecContext *avctx) |
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{ |
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MpegEncContext *s = avctx->priv_data; |
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int i; |
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int i, ret; |
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int chroma_h_shift, chroma_v_shift; |
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MPV_encode_defaults(s); |
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@ -780,12 +780,29 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx) |
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FF_ENABLE_DEPRECATION_WARNINGS; |
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#endif |
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if (avctx->b_frame_strategy == 2) { |
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for (i = 0; i < s->max_b_frames + 2; i++) { |
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s->tmp_frames[i] = av_frame_alloc(); |
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if (!s->tmp_frames[i]) |
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return AVERROR(ENOMEM); |
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s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P; |
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s->tmp_frames[i]->width = s->width >> avctx->brd_scale; |
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s->tmp_frames[i]->height = s->height >> avctx->brd_scale; |
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ret = av_frame_get_buffer(s->tmp_frames[i], 32); |
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if (ret < 0) |
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return ret; |
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} |
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} |
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return 0; |
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} |
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av_cold int ff_MPV_encode_end(AVCodecContext *avctx) |
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{ |
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MpegEncContext *s = avctx->priv_data; |
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int i; |
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ff_rate_control_uninit(s); |
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@ -796,6 +813,9 @@ av_cold int ff_MPV_encode_end(AVCodecContext *avctx) |
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av_freep(&avctx->extradata); |
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for (i = 0; i < FF_ARRAY_ELEMS(s->tmp_frames); i++) |
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av_frame_free(&s->tmp_frames[i]); |
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return 0; |
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} |
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@ -1025,7 +1045,6 @@ static int estimate_best_b_count(MpegEncContext *s) |
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{ |
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AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id); |
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AVCodecContext *c = avcodec_alloc_context3(NULL); |
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AVFrame input[MAX_B_FRAMES + 2]; |
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const int scale = s->avctx->brd_scale; |
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int i, j, out_size, p_lambda, b_lambda, lambda2; |
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int64_t best_rd = INT64_MAX; |
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@ -1060,19 +1079,9 @@ static int estimate_best_b_count(MpegEncContext *s) |
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return -1; |
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for (i = 0; i < s->max_b_frames + 2; i++) { |
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int ysize = c->width * c->height; |
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int csize = (c->width / 2) * (c->height / 2); |
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Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] : |
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s->next_picture_ptr; |
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avcodec_get_frame_defaults(&input[i]); |
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input[i].data[0] = av_malloc(ysize + 2 * csize); |
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input[i].data[1] = input[i].data[0] + ysize; |
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input[i].data[2] = input[i].data[1] + csize; |
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input[i].linesize[0] = c->width; |
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input[i].linesize[1] = |
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input[i].linesize[2] = c->width / 2; |
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if (pre_input_ptr && (!i || s->input_picture[i - 1])) { |
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pre_input = *pre_input_ptr; |
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@ -1082,13 +1091,13 @@ static int estimate_best_b_count(MpegEncContext *s) |
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pre_input.f.data[2] += INPLACE_OFFSET; |
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} |
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s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], |
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s->dsp.shrink[scale](s->tmp_frames[i]->data[0], s->tmp_frames[i]->linesize[0], |
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pre_input.f.data[0], pre_input.f.linesize[0], |
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c->width, c->height); |
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s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], |
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s->dsp.shrink[scale](s->tmp_frames[i]->data[1], s->tmp_frames[i]->linesize[1], |
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pre_input.f.data[1], pre_input.f.linesize[1], |
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c->width >> 1, c->height >> 1); |
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s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], |
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s->dsp.shrink[scale](s->tmp_frames[i]->data[2], s->tmp_frames[i]->linesize[2], |
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pre_input.f.data[2], pre_input.f.linesize[2], |
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c->width >> 1, c->height >> 1); |
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} |
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@ -1102,21 +1111,21 @@ static int estimate_best_b_count(MpegEncContext *s) |
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c->error[0] = c->error[1] = c->error[2] = 0; |
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input[0].pict_type = AV_PICTURE_TYPE_I; |
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input[0].quality = 1 * FF_QP2LAMBDA; |
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s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I; |
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s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA; |
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out_size = encode_frame(c, &input[0]); |
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out_size = encode_frame(c, s->tmp_frames[0]); |
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//rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
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for (i = 0; i < s->max_b_frames + 1; i++) { |
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int is_p = i % (j + 1) == j || i == s->max_b_frames; |
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input[i + 1].pict_type = is_p ? |
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s->tmp_frames[i + 1]->pict_type = is_p ? |
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AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B; |
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input[i + 1].quality = is_p ? p_lambda : b_lambda; |
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s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda; |
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out_size = encode_frame(c, &input[i + 1]); |
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out_size = encode_frame(c, s->tmp_frames[i + 1]); |
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rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); |
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} |
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@ -1138,10 +1147,6 @@ static int estimate_best_b_count(MpegEncContext *s) |
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avcodec_close(c); |
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av_freep(&c); |
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for (i = 0; i < s->max_b_frames + 2; i++) { |
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av_freep(&input[i].data[0]); |
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} |
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return best_b_count; |
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} |
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