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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-10-13 13:11:45 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-10-13 13:11:45 +0000 |
| commit | aec966958ce03821d974463b5146ae04f10654cd (patch) | |
| tree | 412d580067a0d87a039a0ce32bdacdae7f1657fd | |
| parent | 54b2a4238cca294e4d74583499c961956c6cdc6b (diff) | |
| download | ffmpeg-streaming-aec966958ce03821d974463b5146ae04f10654cd.zip ffmpeg-streaming-aec966958ce03821d974463b5146ae04f10654cd.tar.gz | |
Add support for PIX_FMT_RGBA in the targa encoder.
Patch sponsored by Animoto.
Originally committed as revision 25470 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/targaenc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libavcodec/targaenc.c b/libavcodec/targaenc.c index a179baa..09da727 100644 --- a/libavcodec/targaenc.c +++ b/libavcodec/targaenc.c @@ -97,9 +97,9 @@ static int targa_encode_frame(AVCodecContext *avctx, memset(outbuf, 0, 12); AV_WL16(outbuf+12, avctx->width); AV_WL16(outbuf+14, avctx->height); - outbuf[17] = 0x20; /* origin is top-left. no alpha */ + /* image descriptor byte: origin is always top-left, bits 0-3 specify alpha */ + outbuf[17] = 0x20 | (avctx->pix_fmt == PIX_FMT_BGRA ? 8 : 0); - /* TODO: support alpha channel */ switch(avctx->pix_fmt) { case PIX_FMT_GRAY8: outbuf[2] = TGA_BW; /* uncompressed grayscale image */ @@ -113,6 +113,10 @@ static int targa_encode_frame(AVCodecContext *avctx, outbuf[2] = TGA_RGB; /* uncompressed true-color image */ outbuf[16] = 24; /* bpp */ break; + case PIX_FMT_BGRA: + outbuf[2] = TGA_RGB; /* uncompressed true-color image */ + outbuf[16] = 32; /* bpp */ + break; default: av_log(avctx, AV_LOG_ERROR, "Pixel format '%s' not supported.\n", avcodec_get_pix_fmt_name(avctx->pix_fmt)); @@ -161,6 +165,6 @@ AVCodec targa_encoder = { .priv_data_size = sizeof(TargaContext), .init = targa_encode_init, .encode = targa_encode_frame, - .pix_fmts= (const enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_RGB555LE, PIX_FMT_GRAY8, PIX_FMT_NONE}, + .pix_fmts= (const enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_BGRA, PIX_FMT_RGB555LE, PIX_FMT_GRAY8, PIX_FMT_NONE}, .long_name= NULL_IF_CONFIG_SMALL("Truevision Targa image"), }; |
