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https://git.ffmpeg.org/ffmpeg.git
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lavu/videotoolbox: expose conversion routines for color parameters
Also fixes symbol lookup errors on older macOS when built with a newer SDK,
introduced in 6cab5206b0
This commit is contained in:
rcombs
parent
9a890e49b6
commit
69bd95dcd8
@ -14,6 +14,12 @@ libavutil: 2021-04-27
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API changes, most recent first:
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2021-12-xx - xxxxxxxxxx - lavu 57.13.100 - hwcontext_videotoolbox.h
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Add av_map_videotoolbox_chroma_loc_from_av
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Add av_map_videotoolbox_color_matrix_from_av
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Add av_map_videotoolbox_color_primaries_from_av
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Add av_map_videotoolbox_color_trc_from_av
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2021-12-21 - xxxxxxxxxx - lavu 57.12.100 - cpu.h
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Add AV_CPU_FLAG_SLOW_GATHER.
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@ -318,7 +318,7 @@ static void vt_unmap(AVHWFramesContext *ctx, HWMapDescriptor *hwmap)
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CVPixelBufferUnlockBaseAddress(pixbuf, (uintptr_t)hwmap->priv);
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}
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static int vt_pixbuf_set_par(AVHWFramesContext *hwfc,
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static int vt_pixbuf_set_par(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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CFMutableDictionaryRef par = NULL;
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@ -375,31 +375,30 @@ static int vt_pixbuf_set_par(AVHWFramesContext *hwfc,
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return 0;
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}
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static int vt_pixbuf_set_chromaloc(AVHWFramesContext *hwfc,
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CFStringRef av_map_videotoolbox_chroma_loc_from_av(enum AVChromaLocation loc)
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{
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switch (loc) {
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case AVCHROMA_LOC_LEFT:
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return kCVImageBufferChromaLocation_Left;
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case AVCHROMA_LOC_CENTER:
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return kCVImageBufferChromaLocation_Center;
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case AVCHROMA_LOC_TOP:
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return kCVImageBufferChromaLocation_Top;
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case AVCHROMA_LOC_BOTTOM:
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return kCVImageBufferChromaLocation_Bottom;
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case AVCHROMA_LOC_TOPLEFT:
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return kCVImageBufferChromaLocation_TopLeft;
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case AVCHROMA_LOC_BOTTOMLEFT:
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return kCVImageBufferChromaLocation_BottomLeft;
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default:
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return NULL;
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}
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}
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static int vt_pixbuf_set_chromaloc(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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CFStringRef loc = NULL;
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switch (src->chroma_location) {
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case AVCHROMA_LOC_LEFT:
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loc = kCVImageBufferChromaLocation_Left;
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break;
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case AVCHROMA_LOC_CENTER:
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loc = kCVImageBufferChromaLocation_Center;
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break;
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case AVCHROMA_LOC_TOP:
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loc = kCVImageBufferChromaLocation_Top;
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break;
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case AVCHROMA_LOC_BOTTOM:
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loc = kCVImageBufferChromaLocation_Bottom;
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break;
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case AVCHROMA_LOC_TOPLEFT:
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loc = kCVImageBufferChromaLocation_TopLeft;
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break;
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case AVCHROMA_LOC_BOTTOMLEFT:
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loc = kCVImageBufferChromaLocation_BottomLeft;
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break;
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}
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CFStringRef loc = av_map_videotoolbox_chroma_loc_from_av(src->chroma_location);
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if (loc) {
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CVBufferSetAttachment(
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@ -412,109 +411,115 @@ static int vt_pixbuf_set_chromaloc(AVHWFramesContext *hwfc,
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return 0;
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}
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static int vt_pixbuf_set_colorspace(AVHWFramesContext *hwfc,
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CFStringRef av_map_videotoolbox_color_matrix_from_av(enum AVColorSpace space)
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{
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switch (space) {
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case AVCOL_SPC_BT2020_CL:
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case AVCOL_SPC_BT2020_NCL:
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#if HAVE_KCVIMAGEBUFFERYCBCRMATRIX_ITU_R_2020
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if (__builtin_available(macOS 10.11, iOS 9, *))
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return kCVImageBufferYCbCrMatrix_ITU_R_2020;
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#endif
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return CFSTR("ITU_R_2020");
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case AVCOL_SPC_BT470BG:
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case AVCOL_SPC_SMPTE170M:
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return kCVImageBufferYCbCrMatrix_ITU_R_601_4;
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case AVCOL_SPC_BT709:
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return kCVImageBufferYCbCrMatrix_ITU_R_709_2;
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case AVCOL_SPC_SMPTE240M:
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return kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
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case AVCOL_SPC_UNSPECIFIED:
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default:
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return NULL;
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}
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}
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CFStringRef av_map_videotoolbox_color_primaries_from_av(enum AVColorPrimaries pri)
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{
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switch (pri) {
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case AVCOL_PRI_BT2020:
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#if HAVE_KCVIMAGEBUFFERCOLORPRIMARIES_ITU_R_2020
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if (__builtin_available(macOS 10.11, iOS 9, *))
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return kCVImageBufferColorPrimaries_ITU_R_2020;
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#endif
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return CFSTR("ITU_R_2020");
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case AVCOL_PRI_BT709:
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return kCVImageBufferColorPrimaries_ITU_R_709_2;
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case AVCOL_PRI_SMPTE170M:
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return kCVImageBufferColorPrimaries_SMPTE_C;
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case AVCOL_PRI_BT470BG:
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return kCVImageBufferColorPrimaries_EBU_3213;
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case AVCOL_PRI_UNSPECIFIED:
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default:
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return NULL;
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}
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}
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CFStringRef av_map_videotoolbox_color_trc_from_av(enum AVColorTransferCharacteristic trc)
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{
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switch (trc) {
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case AVCOL_TRC_SMPTE2084:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ
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if (__builtin_available(macOS 10.13, iOS 11, *))
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return kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
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#endif
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return CFSTR("SMPTE_ST_2084_PQ");
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case AVCOL_TRC_BT2020_10:
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case AVCOL_TRC_BT2020_12:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2020
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if (__builtin_available(macOS 10.11, iOS 9, *))
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return kCVImageBufferTransferFunction_ITU_R_2020;
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#endif
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return CFSTR("ITU_R_2020");
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case AVCOL_TRC_BT709:
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return kCVImageBufferTransferFunction_ITU_R_709_2;
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case AVCOL_TRC_SMPTE240M:
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return kCVImageBufferTransferFunction_SMPTE_240M_1995;
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case AVCOL_TRC_SMPTE428:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_428_1
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if (__builtin_available(macOS 10.12, iOS 10, *))
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return kCVImageBufferTransferFunction_SMPTE_ST_428_1;
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#endif
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return CFSTR("SMPTE_ST_428_1");
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case AVCOL_TRC_ARIB_STD_B67:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
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if (__builtin_available(macOS 10.13, iOS 11, *))
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return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
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#endif
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return CFSTR("ITU_R_2100_HLG");
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case AVCOL_TRC_GAMMA22:
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return kCVImageBufferTransferFunction_UseGamma;
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case AVCOL_TRC_GAMMA28:
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return kCVImageBufferTransferFunction_UseGamma;
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default:
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case AVCOL_TRC_UNSPECIFIED:
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return NULL;
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}
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}
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static int vt_pixbuf_set_colorspace(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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CFStringRef colormatrix = NULL, colorpri = NULL, colortrc = NULL;
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Float32 gamma = 0;
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switch (src->colorspace) {
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case AVCOL_SPC_BT2020_CL:
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case AVCOL_SPC_BT2020_NCL:
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#if HAVE_KCVIMAGEBUFFERYCBCRMATRIX_ITU_R_2020
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colormatrix = kCVImageBufferYCbCrMatrix_ITU_R_2020;
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#else
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colormatrix = CFSTR("ITU_R_2020");
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#endif
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break;
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case AVCOL_SPC_BT470BG:
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case AVCOL_SPC_SMPTE170M:
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colormatrix = kCVImageBufferYCbCrMatrix_ITU_R_601_4;
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break;
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case AVCOL_SPC_BT709:
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colormatrix = kCVImageBufferYCbCrMatrix_ITU_R_709_2;
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break;
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case AVCOL_SPC_SMPTE240M:
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colormatrix = kCVImageBufferYCbCrMatrix_SMPTE_240M_1995;
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break;
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case AVCOL_SPC_UNSPECIFIED:
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break;
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default:
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av_log(hwfc, AV_LOG_WARNING, "Color space %s is not supported.\n", av_color_space_name(src->colorspace));
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}
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colormatrix = av_map_videotoolbox_color_matrix_from_av(src->colorspace);
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if (!colormatrix && src->colorspace != AVCOL_SPC_UNSPECIFIED)
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av_log(log_ctx, AV_LOG_WARNING, "Color space %s is not supported.\n", av_color_space_name(src->colorspace));
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switch (src->color_primaries) {
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case AVCOL_PRI_BT2020:
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#if HAVE_KCVIMAGEBUFFERCOLORPRIMARIES_ITU_R_2020
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colorpri = kCVImageBufferColorPrimaries_ITU_R_2020;
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#else
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colorpri = CFSTR("ITU_R_2020");
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#endif
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break;
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case AVCOL_PRI_BT709:
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colorpri = kCVImageBufferColorPrimaries_ITU_R_709_2;
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break;
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case AVCOL_PRI_SMPTE170M:
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colorpri = kCVImageBufferColorPrimaries_SMPTE_C;
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break;
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case AVCOL_PRI_BT470BG:
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colorpri = kCVImageBufferColorPrimaries_EBU_3213;
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break;
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case AVCOL_PRI_UNSPECIFIED:
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break;
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default:
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av_log(hwfc, AV_LOG_WARNING, "Color primaries %s is not supported.\n", av_color_primaries_name(src->color_primaries));
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}
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colorpri = av_map_videotoolbox_color_primaries_from_av(src->color_primaries);
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if (!colorpri && src->color_primaries != AVCOL_PRI_UNSPECIFIED)
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av_log(log_ctx, AV_LOG_WARNING, "Color primaries %s is not supported.\n", av_color_primaries_name(src->color_primaries));
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switch (src->color_trc) {
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case AVCOL_TRC_SMPTE2084:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_2084_PQ
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colortrc = kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
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#else
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colortrc = CFSTR("SMPTE_ST_2084_PQ");
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#endif
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break;
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case AVCOL_TRC_BT2020_10:
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case AVCOL_TRC_BT2020_12:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2020
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colortrc = kCVImageBufferTransferFunction_ITU_R_2020;
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#else
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colortrc = CFSTR("ITU_R_2020");
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#endif
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break;
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case AVCOL_TRC_BT709:
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colortrc = kCVImageBufferTransferFunction_ITU_R_709_2;
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break;
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case AVCOL_TRC_SMPTE240M:
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colortrc = kCVImageBufferTransferFunction_SMPTE_240M_1995;
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break;
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case AVCOL_TRC_SMPTE428:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_SMPTE_ST_428_1
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colortrc = kCVImageBufferTransferFunction_SMPTE_ST_428_1;
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#else
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colortrc = CFSTR("SMPTE_ST_428_1");
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#endif
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break;
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case AVCOL_TRC_ARIB_STD_B67:
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#if HAVE_KCVIMAGEBUFFERTRANSFERFUNCTION_ITU_R_2100_HLG
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colortrc = kCVImageBufferTransferFunction_ITU_R_2100_HLG;
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#else
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colortrc = CFSTR("ITU_R_2100_HLG");
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#endif
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break;
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case AVCOL_TRC_GAMMA22:
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colortrc = av_map_videotoolbox_color_trc_from_av(src->color_trc);
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if (!colortrc && src->color_trc != AVCOL_TRC_UNSPECIFIED)
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av_log(log_ctx, AV_LOG_WARNING, "Color transfer function %s is not supported.\n", av_color_transfer_name(src->color_trc));
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if (src->color_trc == AVCOL_TRC_GAMMA22)
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gamma = 2.2;
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colortrc = kCVImageBufferTransferFunction_UseGamma;
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break;
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case AVCOL_TRC_GAMMA28:
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else if (src->color_trc == AVCOL_TRC_GAMMA28)
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gamma = 2.8;
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colortrc = kCVImageBufferTransferFunction_UseGamma;
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break;
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case AVCOL_TRC_UNSPECIFIED:
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break;
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default:
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av_log(hwfc, AV_LOG_WARNING, "Color transfer function %s is not supported.\n", av_color_transfer_name(src->color_trc));
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}
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if (colormatrix) {
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CVBufferSetAttachment(
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@ -550,17 +555,17 @@ static int vt_pixbuf_set_colorspace(AVHWFramesContext *hwfc,
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return 0;
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}
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static int vt_pixbuf_set_attachments(AVHWFramesContext *hwfc,
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static int vt_pixbuf_set_attachments(void *log_ctx,
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CVPixelBufferRef pixbuf, const AVFrame *src)
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{
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int ret;
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ret = vt_pixbuf_set_par(hwfc, pixbuf, src);
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ret = vt_pixbuf_set_par(log_ctx, pixbuf, src);
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if (ret < 0)
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return ret;
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ret = vt_pixbuf_set_colorspace(hwfc, pixbuf, src);
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ret = vt_pixbuf_set_colorspace(log_ctx, pixbuf, src);
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if (ret < 0)
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return ret;
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ret = vt_pixbuf_set_chromaloc(hwfc, pixbuf, src);
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ret = vt_pixbuf_set_chromaloc(log_ctx, pixbuf, src);
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if (ret < 0)
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return ret;
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return 0;
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@ -60,4 +60,29 @@ uint32_t av_map_videotoolbox_format_from_pixfmt(enum AVPixelFormat pix_fmt);
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*/
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uint32_t av_map_videotoolbox_format_from_pixfmt2(enum AVPixelFormat pix_fmt, bool full_range);
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/**
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* Convert an AVChromaLocation to a VideoToolbox/CoreVideo chroma location string.
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* Returns 0 if no known equivalent was found.
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*/
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CFStringRef av_map_videotoolbox_chroma_loc_from_av(enum AVChromaLocation loc);
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/**
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* Convert an AVColorSpace to a VideoToolbox/CoreVideo color matrix string.
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* Returns 0 if no known equivalent was found.
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*/
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CFStringRef av_map_videotoolbox_color_matrix_from_av(enum AVColorSpace space);
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/**
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* Convert an AVColorPrimaries to a VideoToolbox/CoreVideo color primaries string.
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* Returns 0 if no known equivalent was found.
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*/
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CFStringRef av_map_videotoolbox_color_primaries_from_av(enum AVColorPrimaries pri);
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/**
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* Convert an AVColorTransferCharacteristic to a VideoToolbox/CoreVideo color transfer
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* function string.
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* Returns 0 if no known equivalent was found.
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*/
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CFStringRef av_map_videotoolbox_color_trc_from_av(enum AVColorTransferCharacteristic trc);
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#endif /* AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H */
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