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| author | Martin Vignali <martin.vignali@gmail.com> | 2016-11-24 21:26:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-14 03:21:27 +0100 |
| commit | a534862b278a52c09ddf7d6e78e72397b6b4048b (patch) | |
| tree | 5ef2a083e20a6d74535801cef5da424d693228f0 | |
| parent | 90af962911bbe10f32a4367954c4f11a9e47a98f (diff) | |
| download | ffmpeg-a534862b278a52c09ddf7d6e78e72397b6b4048b.tar.gz | |
libavformat : add Photoshop PSD demuxer.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/Makefile | 1 | ||||
| -rw-r--r-- | libavformat/allformats.c | 1 | ||||
| -rw-r--r-- | libavformat/img2dec.c | 32 |
3 files changed, 34 insertions, 0 deletions
diff --git a/libavformat/Makefile b/libavformat/Makefile index f93658d71a..f803d0424b 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -235,6 +235,7 @@ OBJS-$(CONFIG_IMAGE_PGM_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_PICTOR_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_PNG_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_PPM_PIPE_DEMUXER) += img2dec.o img2.o +OBJS-$(CONFIG_IMAGE_PSD_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_QDRAW_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_SGI_PIPE_DEMUXER) += img2dec.o img2.o OBJS-$(CONFIG_IMAGE_SUNRAST_PIPE_DEMUXER) += img2dec.o img2.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index 6a216ef603..9d77b9c487 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -366,6 +366,7 @@ void av_register_all(void) REGISTER_DEMUXER (IMAGE_PICTOR_PIPE, image_pictor_pipe); REGISTER_DEMUXER (IMAGE_PNG_PIPE, image_png_pipe); REGISTER_DEMUXER (IMAGE_PPM_PIPE, image_ppm_pipe); + REGISTER_DEMUXER (IMAGE_PSD_PIPE, image_psd_pipe); REGISTER_DEMUXER (IMAGE_QDRAW_PIPE, image_qdraw_pipe); REGISTER_DEMUXER (IMAGE_SGI_PIPE, image_sgi_pipe); REGISTER_DEMUXER (IMAGE_SUNRAST_PIPE, image_sunrast_pipe); diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c index a920f4611f..f1a0e7fa54 100644 --- a/libavformat/img2dec.c +++ b/libavformat/img2dec.c @@ -822,6 +822,37 @@ static int png_probe(AVProbeData *p) return 0; } +static int psd_probe(AVProbeData *p) +{ + const uint8_t *b = p->buf; + int ret = 0; + uint16_t color_mode; + + if (AV_RL32(b) == MKTAG('8','B','P','S')) { + ret += 1; + } else { + return 0; + } + + if ((b[4] == 0) && (b[5] == 1)) {/* version 1 is PSD, version 2 is PSB */ + ret += 1; + } else { + return 0; + } + + if ((AV_RL32(b+6) == 0) && (AV_RL16(b+10) == 0))/* reserved must be 0 */ + ret += 1; + + color_mode = AV_RB16(b+24); + if ((color_mode <= 9) && (color_mode != 5) && (color_mode != 6)) + ret += 1; + + if (ret) + return AVPROBE_SCORE_EXTENSION + ret; + + return 0; +} + static int sgi_probe(AVProbeData *p) { const uint8_t *b = p->buf; @@ -947,6 +978,7 @@ IMAGEAUTO_DEMUXER(pgmyuv, AV_CODEC_ID_PGMYUV) IMAGEAUTO_DEMUXER(pictor, AV_CODEC_ID_PICTOR) IMAGEAUTO_DEMUXER(png, AV_CODEC_ID_PNG) IMAGEAUTO_DEMUXER(ppm, AV_CODEC_ID_PPM) +IMAGEAUTO_DEMUXER(psd, AV_CODEC_ID_PSD) IMAGEAUTO_DEMUXER(qdraw, AV_CODEC_ID_QDRAW) IMAGEAUTO_DEMUXER(sgi, AV_CODEC_ID_SGI) IMAGEAUTO_DEMUXER(sunrast, AV_CODEC_ID_SUNRAST) |