diff options
Diffstat (limited to 'intern/ffmpeg')
| -rw-r--r-- | intern/ffmpeg/ffmpeg_compat.h | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/intern/ffmpeg/ffmpeg_compat.h b/intern/ffmpeg/ffmpeg_compat.h index ac4da5b6133..b591032cc7a 100644 --- a/intern/ffmpeg/ffmpeg_compat.h +++ b/intern/ffmpeg/ffmpeg_compat.h @@ -446,4 +446,205 @@ AVRational av_get_r_frame_rate_compat(const AVStream *stream) # define FFMPEG_HAVE_DEPRECATED_FLAGS2 #endif +/* Since FFmpeg-1.1 this constant have AV_ prefix. */ +#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 13, 100) +# define AV_PIX_FMT_BGR32 PIX_FMT_BGR32 +# define AV_PIX_FMT_YUV422P PIX_FMT_YUV422P +# define AV_PIX_FMT_BGRA PIX_FMT_BGRA +# define AV_PIX_FMT_ARGB PIX_FMT_ARGB +# define AV_PIX_FMT_RGBA PIX_FMT_RGBA +#endif + +/* New API from FFmpeg-2.0 which soon became recommended one. */ +#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 38, 100) +# define av_frame_alloc avcodec_alloc_frame +# define av_frame_free avcodec_free_frame +# define av_frame_unref avcodec_get_frame_defaults +#endif + +#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 24, 102) + +/* NOTE: The code in this block are from FFmpeg 2.6.4, which is licensed by LGPL. */ + +#define MAX_NEG_CROP 1024 + +extern const uint8_t ff_crop_tab[256 + 2 * MAX_NEG_CROP]; + +/* filter parameters: [-1 4 2 4 -1] // 8 */ +FFMPEG_INLINE +void deinterlace_line(uint8_t *dst, + const uint8_t *lum_m4, const uint8_t *lum_m3, + const uint8_t *lum_m2, const uint8_t *lum_m1, + const uint8_t *lum, + int size) +{ + const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; + int sum; + + for(;size > 0;size--) { + sum = -lum_m4[0]; + sum += lum_m3[0] << 2; + sum += lum_m2[0] << 1; + sum += lum_m1[0] << 2; + sum += -lum[0]; + dst[0] = cm[(sum + 4) >> 3]; + lum_m4++; + lum_m3++; + lum_m2++; + lum_m1++; + lum++; + dst++; + } +} + +FFMPEG_INLINE +void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, + uint8_t *lum_m2, uint8_t *lum_m1, + uint8_t *lum, int size) +{ + const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; + int sum; + + for(;size > 0;size--) { + sum = -lum_m4[0]; + sum += lum_m3[0] << 2; + sum += lum_m2[0] << 1; + lum_m4[0]=lum_m2[0]; + sum += lum_m1[0] << 2; + sum += -lum[0]; + lum_m2[0] = cm[(sum + 4) >> 3]; + lum_m4++; + lum_m3++; + lum_m2++; + lum_m1++; + lum++; + } +} + +/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The + top field is copied as is, but the bottom field is deinterlaced + against the top field. */ +FFMPEG_INLINE +void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, + const uint8_t *src1, int src_wrap, + int width, int height) +{ + const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; + int y; + + src_m2 = src1; + src_m1 = src1; + src_0=&src_m1[src_wrap]; + src_p1=&src_0[src_wrap]; + src_p2=&src_p1[src_wrap]; + for(y=0;y<(height-2);y+=2) { + memcpy(dst,src_m1,width); + dst += dst_wrap; + deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); + src_m2 = src_0; + src_m1 = src_p1; + src_0 = src_p2; + src_p1 += 2*src_wrap; + src_p2 += 2*src_wrap; + dst += dst_wrap; + } + memcpy(dst,src_m1,width); + dst += dst_wrap; + /* do last line */ + deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); +} + +FFMPEG_INLINE +int deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, + int width, int height) +{ + uint8_t *src_m1, *src_0, *src_p1, *src_p2; + int y; + uint8_t *buf = (uint8_t *)av_malloc(width); + if (!buf) + return AVERROR(ENOMEM); + + src_m1 = src1; + memcpy(buf,src_m1,width); + src_0=&src_m1[src_wrap]; + src_p1=&src_0[src_wrap]; + src_p2=&src_p1[src_wrap]; + for(y=0;y<(height-2);y+=2) { + deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); + src_m1 = src_p1; + src_0 = src_p2; + src_p1 += 2*src_wrap; + src_p2 += 2*src_wrap; + } + /* do last line */ + deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); + av_free(buf); + return 0; +} + +#ifdef __GNUC__ +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + +FFMPEG_INLINE +int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, + enum AVPixelFormat pix_fmt, int width, int height) +{ + int i, ret; + + if (pix_fmt != AV_PIX_FMT_YUV420P && + pix_fmt != AV_PIX_FMT_YUVJ420P && + pix_fmt != AV_PIX_FMT_YUV422P && + pix_fmt != AV_PIX_FMT_YUVJ422P && + pix_fmt != AV_PIX_FMT_YUV444P && + pix_fmt != AV_PIX_FMT_YUV411P && + pix_fmt != AV_PIX_FMT_GRAY8) + return -1; + if ((width & 3) != 0 || (height & 3) != 0) + return -1; + + for(i=0;i<3;i++) { + if (i == 1) { + switch(pix_fmt) { + case AV_PIX_FMT_YUVJ420P: + case AV_PIX_FMT_YUV420P: + width >>= 1; + height >>= 1; + break; + case AV_PIX_FMT_YUV422P: + case AV_PIX_FMT_YUVJ422P: + width >>= 1; + break; + case AV_PIX_FMT_YUV411P: + width >>= 2; + break; + default: + break; + } + if (pix_fmt == AV_PIX_FMT_GRAY8) { + break; + } + } + if (src == dst) { + ret = deinterlace_bottom_field_inplace(dst->data[i], + dst->linesize[i], + width, height); + if (ret < 0) + return ret; + } else { + deinterlace_bottom_field(dst->data[i],dst->linesize[i], + src->data[i], src->linesize[i], + width, height); + } + } + return 0; +} + +#ifdef __GNUC__ +# pragma GCC diagnostic pop +#endif + +#endif + #endif |