From a46a7052bc20b630dae19148584941ced5ae78d6 Mon Sep 17 00:00:00 2001 From: Alex Beregszaszi Date: Sun, 22 Dec 2002 22:34:42 +0000 Subject: [PATCH] disabled aspect code due to it is extra buggy Originally committed as revision 1359 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mjpeg.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c index 2e6dd8f..47ace7b 100644 --- a/libavcodec/mjpeg.c +++ b/libavcodec/mjpeg.c @@ -720,6 +720,8 @@ static int mjpeg_decode_init(AVCodecContext *avctx) s->buffer_size = 102400; /* smaller buffer should be enough, but photojpg files could ahive bigger sizes */ s->buffer = av_malloc(s->buffer_size); + if (!s->buffer) + return -1; s->start_code = -1; s->first_picture = 1; s->org_width = avctx->width; @@ -1183,17 +1185,24 @@ static int mjpeg_decode_app(MJpegDecodeContext *s) int x_density = get_bits(&s->gb, 16); int y_density = get_bits(&s->gb, 16); + dprintf("x/y density: %d (%f), %d (%f)\n", x_density, + (float)x_density, y_density, (float)y_density); +#if 0 //MN: needs to be checked if(x_density) - s->avctx->aspect_ratio= s->width*y_density/((float)s->height*x_density); +// s->avctx->aspect_ratio= s->width*y_density/((float)s->height*x_density); + s->avctx->aspect_ratio = (float)x_density/y_density; + /* it's better, but every JFIF I have seen stores 1:1 */ else s->avctx->aspect_ratio= 0.0; +#endif } else { skip_bits(&s->gb, 16); skip_bits(&s->gb, 16); } + t_w = get_bits(&s->gb, 8); t_h = get_bits(&s->gb, 8); if (t_w && t_h) @@ -1434,7 +1443,6 @@ static int mjpeg_decode_frame(AVCodecContext *avctx, case EOI: eoi_parser: { - int l; if (s->interlaced) { s->bottom_field ^= 1; /* if not bottom field, do not output image yet */ @@ -1443,15 +1451,8 @@ eoi_parser: } for(i=0;i<3;i++) { picture->data[i] = s->current_picture[i]; -#if 1 - l = s->linesize[i]; - if (s->interlaced) - l >>= 1; - picture->linesize[i] = l; -#else picture->linesize[i] = (s->interlaced) ? s->linesize[i] >> 1 : s->linesize[i]; -#endif } *data_size = sizeof(AVPicture); avctx->height = s->height; -- 2.7.4