Showing the changes to libavcodec (1 of 1 file). Show all
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| @@ -1634,6 +1634,7 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, · 1633 unmodified lines | |||
| 1634 | MJpegDecodeContext *s = avctx->priv_data; | 1634 | MJpegDecodeContext *s = avctx->priv_data; |
| 1635 | const uint8_t *buf_end, *buf_ptr; | 1635 | const uint8_t *buf_end, *buf_ptr; |
| 1636 | const uint8_t *unescaped_buf_ptr; | 1636 | const uint8_t *unescaped_buf_ptr; |
| 1637 | int hshift, vshift; | ||
| 1637 | int unescaped_buf_size; | 1638 | int unescaped_buf_size; |
| 1638 | int start_code; | 1639 | int start_code; |
| 1639 | int i, index; | 1640 | int i, index; |
| @@ -1815,6 +1816,9 @@ the_end: · 175 unmodified lines | |||
| 1815 | } | 1816 | } |
| 1816 | if (s->upscale_v) { | 1817 | if (s->upscale_v) { |
| 1817 | uint8_t *dst = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[(s->height - 1) * s->linesize[s->upscale_v]]; | 1818 | uint8_t *dst = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[(s->height - 1) * s->linesize[s->upscale_v]]; |
| 1819 | int w; | ||
| 1820 | avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); | ||
| 1821 | w = s->width >> hshift; | ||
| 1818 | av_assert0(avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || | 1822 | av_assert0(avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || |
| 1819 | avctx->pix_fmt == AV_PIX_FMT_YUV444P || | 1823 | avctx->pix_fmt == AV_PIX_FMT_YUV444P || |
| 1820 | avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || | 1824 | avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || |
| @@ -1823,16 +1827,16 @@ the_end: · 2 unmodified lines | |||
| 1823 | uint8_t *src1 = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[i / 2 * s->linesize[s->upscale_v]]; | 1827 | uint8_t *src1 = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[i / 2 * s->linesize[s->upscale_v]]; |
| 1824 | uint8_t *src2 = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[(i + 1) / 2 * s->linesize[s->upscale_v]]; | 1828 | uint8_t *src2 = &((uint8_t *)s->picture_ptr->data[s->upscale_v])[(i + 1) / 2 * s->linesize[s->upscale_v]]; |
| 1825 | if (src1 == src2) { | 1829 | if (src1 == src2) { |
| 1826 | memcpy(dst, src1, s->width); | 1830 | memcpy(dst, src1, w); |
| 1827 | } else { | 1831 | } else { |
| 1828 | for (index = 0; index < s->width; index++) | 1832 | for (index = 0; index < w; index++) |
| 1829 | dst[index] = (src1[index] + src2[index]) >> 1; | 1833 | dst[index] = (src1[index] + src2[index]) >> 1; |
| 1830 | } | 1834 | } |
| 1831 | dst -= s->linesize[s->upscale_v]; | 1835 | dst -= s->linesize[s->upscale_v]; |
| 1832 | } | 1836 | } |
| 1833 | } | 1837 | } |
| 1834 | if (s->flipped && (s->avctx->flags & CODEC_FLAG_EMU_EDGE)) { | 1838 | if (s->flipped && (s->avctx->flags & CODEC_FLAG_EMU_EDGE)) { |
| 1835 | int hshift, vshift, j; | 1839 | int j; |
| 1836 | avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); | 1840 | avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift); |
| 1837 | for (index=0; index<4; index++) { | 1841 | for (index=0; index<4; index++) { |
| 1838 | uint8_t *dst = s->picture_ptr->data[index]; | 1842 | uint8_t *dst = s->picture_ptr->data[index]; |