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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-02-19 05:56:17 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-02-19 16:26:46 +0100 |
| commit | d9b3097ba2d4b215b95481dcd92ce88b4ffae6da (patch) | |
| tree | 383e91b3e9a09fdaa9ad981736153a8a8082213e | |
| parent | 3fa6d205338c2c019eb024e9b79b5b07c2d72dbb (diff) | |
| download | ffmpeg-streaming-d9b3097ba2d4b215b95481dcd92ce88b4ffae6da.zip ffmpeg-streaming-d9b3097ba2d4b215b95481dcd92ce88b4ffae6da.tar.gz | |
pamdec: fix mono support.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/pnm.c | 4 | ||||
| -rw-r--r-- | libavcodec/pnmdec.c | 7 |
2 files changed, 6 insertions, 5 deletions
diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c index 103408c..0e547de 100644 --- a/libavcodec/pnm.c +++ b/libavcodec/pnm.c @@ -112,7 +112,7 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s) s->maxval = maxval; if (depth == 1) { if (maxval == 1) { - avctx->pix_fmt = PIX_FMT_MONOWHITE; + avctx->pix_fmt = PIX_FMT_MONOBLACK; } else if (maxval == 255) { avctx->pix_fmt = PIX_FMT_GRAY8; } else { @@ -148,7 +148,7 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s) avctx->height = atoi(buf1); if(avctx->height <= 0 || av_image_check_size(avctx->width, avctx->height, 0, avctx)) return -1; - if (avctx->pix_fmt != PIX_FMT_MONOWHITE) { + if (avctx->pix_fmt != PIX_FMT_MONOWHITE && avctx->pix_fmt != PIX_FMT_MONOBLACK) { pnm_get(s, buf1, sizeof(buf1)); s->maxval = atoi(buf1); if (s->maxval <= 0) { diff --git a/libavcodec/pnmdec.c b/libavcodec/pnmdec.c index e6c91ef..c3f7bbd 100644 --- a/libavcodec/pnmdec.c +++ b/libavcodec/pnmdec.c @@ -108,20 +108,21 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data, linesize = p->linesize[0]; if (s->bytestream + n * avctx->height > s->bytestream_end) return -1; - if(s->type < 4){ + if(s->type < 4 || (is_mono && s->type==7)){ for (i=0; i<avctx->height; i++) { PutBitContext pb; init_put_bits(&pb, ptr, linesize); for(j=0; j<avctx->width * components; j++){ unsigned int c=0; int v=0; + if(s->type < 4) while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' )) s->bytestream++; if(s->bytestream >= s->bytestream_end) return -1; if (is_mono) { /* read a single digit */ - v = (*s->bytestream++) - '0'; + v = (*s->bytestream++)&1; } else { /* read a sequence of digits */ do { @@ -260,7 +261,7 @@ AVCodec ff_pam_decoder = { .close = ff_pnm_end, .decode = pnm_decode_frame, .capabilities = CODEC_CAP_DR1, - .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE}, + .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOBLACK, PIX_FMT_NONE}, .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), }; #endif |
