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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-01-11 23:58:43 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2012-01-11 23:58:43 +0100 |
| commit | 4093d130d1934edcd098014d306492173527f1f6 (patch) | |
| tree | cfefd8b0952247cbbb2ca5d159409e202c160e3b /libavcodec | |
| parent | 5387f9917f1e5a053824f9ba68545b74a2fc225b (diff) | |
| download | ffmpeg-4093d130d1934edcd098014d306492173527f1f6.tar.gz | |
Support encoding RGB48 with libopenjpeg.
Reviewed-by: Michael Bradshaw
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/libopenjpegenc.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/libavcodec/libopenjpegenc.c b/libavcodec/libopenjpegenc.c index 721e6bb4d3..c07eccd8d8 100644 --- a/libavcodec/libopenjpegenc.c +++ b/libavcodec/libopenjpegenc.c @@ -77,6 +77,11 @@ static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *p color_space = CLRSPC_SRGB; numcomps = 4; break; + case PIX_FMT_RGB48: + color_space = CLRSPC_SRGB; + numcomps = 3; + bpp = 16; + break; case PIX_FMT_YUV420P: color_space = CLRSPC_SYCC; numcomps = 3; @@ -207,6 +212,32 @@ static int libopenjpeg_copy_rgba(AVCodecContext *avctx, AVFrame *frame, opj_imag return 1; } +static int libopenjpeg_copy_rgb16(AVCodecContext *avctx, AVFrame *frame, opj_image_t *image, int numcomps) +{ + int compno; + int x; + int y; + uint16_t *frame_ptr = (uint16_t*)frame->data[0]; + + av_assert0(numcomps == 3); + + for (compno = 0; compno < numcomps; ++compno) { + if (image->comps[compno].w > frame->linesize[0] / numcomps) { + return 0; + } + } + + for (compno = 0; compno < numcomps; ++compno) { + for (y = 0; y < avctx->height; ++y) { + for (x = 0; x < avctx->width; ++x) { + image->comps[compno].data[y * avctx->width + x] = frame_ptr[y * frame->linesize[0] / 2 + x * numcomps + compno]; + } + } + } + + return 1; +} + static int libopenjpeg_copy_yuv8(AVCodecContext *avctx, AVFrame *frame, opj_image_t *image) { int compno; @@ -292,6 +323,9 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf case PIX_FMT_RGBA: cpyresult = libopenjpeg_copy_rgba(avctx, frame, image, 4); break; + case PIX_FMT_RGB48: + cpyresult = libopenjpeg_copy_rgb16(avctx, frame, image, 3); + break; case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: case PIX_FMT_YUV440P: @@ -366,7 +400,7 @@ AVCodec ff_libopenjpeg_encoder = { .encode = libopenjpeg_encode_frame, .close = libopenjpeg_encode_close, .capabilities = 0, - .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24,PIX_FMT_RGBA,PIX_FMT_GRAY8, + .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24,PIX_FMT_RGBA,PIX_FMT_RGB48,PIX_FMT_GRAY8, PIX_FMT_YUV420P,PIX_FMT_YUV422P,PIX_FMT_YUVA420P, PIX_FMT_YUV440P,PIX_FMT_YUV444P, PIX_FMT_YUV420P9,PIX_FMT_YUV422P9,PIX_FMT_YUV444P9, |