diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c index 577171258a..7b18141f97 100644 --- a/libavcodec/dpx.c +++ b/libavcodec/dpx.c @@ -28,6 +28,38 @@ #include "avcodec.h" #include "internal.h" +enum DPX_TRC { + DPX_TRC_USER_DEFINED = 0, + DPX_TRC_PRINTING_DENSITY = 1, + DPX_TRC_LINEAR = 2, + DPX_TRC_LOGARITHMIC = 3, + DPX_TRC_UNSPECIFIED_VIDEO = 4, + DPX_TRC_SMPTE_274 = 5, + DPX_TRC_ITU_R_709_4 = 6, + DPX_TRC_ITU_R_601_625 = 7, + DPX_TRC_ITU_R_601_525 = 8, + DPX_TRC_SMPTE_170 = 9, + DPX_TRC_ITU_R_624_4_PAL = 10, + DPX_TRC_Z_LINEAR = 11, + DPX_TRC_Z_HOMOGENEOUS = 12, +}; + +enum DPX_COL_SPEC { + DPX_COL_SPEC_USER_DEFINED = 0, + DPX_COL_SPEC_PRINTING_DENSITY = 1, + /* 2 = N/A */ + /* 3 = N/A */ + DPX_COL_SPEC_UNSPECIFIED_VIDEO = 4, + DPX_COL_SPEC_SMPTE_274 = 5, + DPX_COL_SPEC_ITU_R_709_4 = 6, + DPX_COL_SPEC_ITU_R_601_625 = 7, + DPX_COL_SPEC_ITU_R_601_525 = 8, + DPX_COL_SPEC_SMPTE_170 = 9, + DPX_COL_SPEC_ITU_R_624_4_PAL = 10, + /* 11 = N/A */ + /* 12 = N/A */ +}; + static unsigned int read16(const uint8_t **ptr, int is_big) { unsigned int temp; @@ -134,6 +166,7 @@ static int decode_frame(AVCodecContext *avctx, int magic_num, endian; int x, y, stride, i, j, ret; int w, h, bits_per_color, descriptor, elements, packing; + int yuv, color_trc, color_spec; int encoding, need_align = 0; unsigned int rgbBuffer = 0; @@ -193,6 +226,8 @@ static int decode_frame(AVCodecContext *avctx, // Need to end in 0x320 to read the descriptor buf += 20; descriptor = buf[0]; + color_trc = buf[1]; + color_spec = buf[2]; // Need to end in 0x323 to read the bits per color buf += 3; @@ -294,18 +329,26 @@ static int decode_frame(AVCodecContext *avctx, switch (descriptor) { case 6: // Y elements = 1; + yuv = 1; + break; + case 50: // RGB + elements = 3; break; case 52: // ABGR case 51: // RGBA - case 103: // UYVA4444 elements = 4; break; - case 50: // RGB - case 102: // UYV444 - elements = 3; - break; case 100: // UYVY422 elements = 2; + yuv = 1; + break; + case 102: // UYV444 + elements = 3; + yuv = 1; + break; + case 103: // UYVA4444 + elements = 4; + yuv = 1; break; default: avpriv_report_missing_feature(avctx, "Descriptor %d", descriptor); @@ -349,6 +392,82 @@ static int decode_frame(AVCodecContext *avctx, return AVERROR_INVALIDDATA; } + switch (color_trc) { + case DPX_TRC_LINEAR: + avctx->color_trc = AVCOL_TRC_LINEAR; + break; + case DPX_TRC_SMPTE_274: + case DPX_TRC_ITU_R_709_4: + avctx->color_trc = AVCOL_TRC_BT709; + break; + case DPX_TRC_ITU_R_601_625: + case DPX_TRC_ITU_R_601_525: + case DPX_TRC_SMPTE_170: + avctx->color_trc = AVCOL_TRC_SMPTE170M; + break; + case DPX_TRC_ITU_R_624_4_PAL: + avctx->color_trc = AVCOL_TRC_GAMMA28; + break; + case DPX_TRC_USER_DEFINED: + case DPX_TRC_UNSPECIFIED_VIDEO: + /* Nothing to do */ + break; + default: + av_log(avctx, AV_LOG_VERBOSE, "Cannot map DPX transfer characteristic " + "%d to color_trc.\n", color_trc); + break; + } + + switch (color_spec) { + case DPX_COL_SPEC_SMPTE_274: + case DPX_COL_SPEC_ITU_R_709_4: + avctx->color_primaries = AVCOL_PRI_BT709; + break; + case DPX_COL_SPEC_ITU_R_601_625: + case DPX_COL_SPEC_ITU_R_624_4_PAL: + avctx->color_primaries = AVCOL_PRI_BT470BG; + break; + case DPX_COL_SPEC_ITU_R_601_525: + case DPX_COL_SPEC_SMPTE_170: + avctx->color_primaries = AVCOL_PRI_SMPTE170M; + break; + case DPX_COL_SPEC_USER_DEFINED: + case DPX_COL_SPEC_UNSPECIFIED_VIDEO: + /* Nothing to do */ + break; + default: + av_log(avctx, AV_LOG_VERBOSE, "Cannot map DPX color specification " + "%d to color_primaries.\n", color_spec); + break; + } + + if (yuv) { + switch (color_spec) { + case DPX_COL_SPEC_SMPTE_274: + case DPX_COL_SPEC_ITU_R_709_4: + avctx->colorspace = AVCOL_SPC_BT709; + break; + case DPX_COL_SPEC_ITU_R_601_625: + case DPX_COL_SPEC_ITU_R_624_4_PAL: + avctx->colorspace = AVCOL_SPC_BT470BG; + break; + case DPX_COL_SPEC_ITU_R_601_525: + case DPX_COL_SPEC_SMPTE_170: + avctx->colorspace = AVCOL_SPC_SMPTE170M; + break; + case DPX_COL_SPEC_USER_DEFINED: + case DPX_COL_SPEC_UNSPECIFIED_VIDEO: + /* Nothing to do */ + break; + default: + av_log(avctx, AV_LOG_INFO, "Cannot map DPX color specification " + "%d to colorspace.\n", color_spec); + break; + } + } else { + avctx->colorspace = AVCOL_SPC_RGB; + } + // Table 3c: Runs will always break at scan line boundaries. Packing // will always break to the next 32-bit word at scan-line boundaries. // Unfortunately, the encoder produced invalid files, so attempt diff --git a/tests/ref/fate/dpx-probe b/tests/ref/fate/dpx-probe index 05b1cfcd14..39d816b7e6 100644 --- a/tests/ref/fate/dpx-probe +++ b/tests/ref/fate/dpx-probe @@ -1,8 +1,8 @@ [FRAME] sample_aspect_ratio=1:1 color_range=pc -color_space=unknown -color_primaries=unknown +color_space=bt709 +color_primaries=bt709 color_transfer=unknown TAG:timecode=00:00:01:18 TAG:Creator=Apple Compressor