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| author | Anton Khirnov <anton@khirnov.net> | 2013-12-02 23:49:11 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-12-05 13:37:41 +0100 |
| commit | daffed3b173c59d64907747bf3309e98a8974f4e (patch) | |
| tree | d31ab41c33d0188815603ff62fa575814cb6865b /libavcodec/ljpegenc.c | |
| parent | 0cdbc4d39394965bd8712395b19160da8f3fe144 (diff) | |
| download | ffmpeg-daffed3b173c59d64907747bf3309e98a8974f4e.tar.gz | |
ljpegenc: accept bgr24 instead of bgra
The alpha plane is not encoded.
Diffstat (limited to 'libavcodec/ljpegenc.c')
| -rw-r--r-- | libavcodec/ljpegenc.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libavcodec/ljpegenc.c b/libavcodec/ljpegenc.c index 4bb6bbf7be..da39a0dc85 100644 --- a/libavcodec/ljpegenc.c +++ b/libavcodec/ljpegenc.c @@ -70,8 +70,8 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, int max_pkt_size = FF_MIN_BUFFER_SIZE; int ret, header_bits; - if (avctx->pix_fmt == AV_PIX_FMT_BGRA) - max_pkt_size += width * height * 3 * 4; + if (avctx->pix_fmt == AV_PIX_FMT_BGR24) + max_pkt_size += width * height * 3 * 3; else { max_pkt_size += mb_width * mb_height * 3 * 4 * s->hsample[0] * s->vsample[0]; @@ -88,7 +88,7 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, header_bits = put_bits_count(&pb); - if(avctx->pix_fmt == AV_PIX_FMT_BGRA){ + if (avctx->pix_fmt == AV_PIX_FMT_BGR24) { int x, y, i; const int linesize = pict->linesize[0]; uint16_t (*buffer)[4] = s->scratch; @@ -102,7 +102,7 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const int modified_predictor= y ? predictor : 1; uint8_t *ptr = pict->data[0] + (linesize * y); - if(pb.buf_end - pb.buf - (put_bits_count(&pb) >> 3) < width * 3 * 4) { + if(pb.buf_end - pb.buf - (put_bits_count(&pb) >> 3) < width * 3 * 3) { av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } @@ -111,9 +111,9 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, top[i]= left[i]= topleft[i]= buffer[0][i]; } for(x = 0; x < width; x++) { - buffer[x][1] = ptr[4*x+0] - ptr[4*x+1] + 0x100; - buffer[x][2] = ptr[4*x+2] - ptr[4*x+1] + 0x100; - buffer[x][0] = (ptr[4*x+0] + 2*ptr[4*x+1] + ptr[4*x+2])>>2; + buffer[x][1] = ptr[3 * x + 0] - ptr[3 * x + 1] + 0x100; + buffer[x][2] = ptr[3 * x + 2] - ptr[3 * x + 1] + 0x100; + buffer[x][0] = (ptr[3 * x + 0] + 2 * ptr[3 * x + 1] + ptr[3 * x + 2]) >> 2; for(i=0;i<3;i++) { int pred, diff; @@ -257,7 +257,7 @@ static av_cold int ljpeg_encode_init(AVCodecContext *avctx) av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift); - if (avctx->pix_fmt == AV_PIX_FMT_BGRA) { + if (avctx->pix_fmt == AV_PIX_FMT_BGR24) { s->vsample[0] = s->hsample[0] = s->vsample[1] = s->hsample[1] = s->vsample[2] = s->hsample[2] = 1; @@ -294,7 +294,7 @@ AVCodec ff_ljpeg_encoder = { .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, - AV_PIX_FMT_BGRA, + AV_PIX_FMT_BGR24, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ444P, |