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fraps: use meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-25 19:47:54 +00:00
parent 43f662d9bf
commit 04a585f054
1 changed files with 10 additions and 9 deletions
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19
libavcodec/fraps.c
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@ -143,6 +143,7 @@ static int decode_frame(AVCodecContext *avctx,
const int planes = 3; const int planes = 3;
uint8_t *out; uint8_t *out;
enum AVPixelFormat pix_fmt; enum AVPixelFormat pix_fmt;
int ret;
header = AV_RL32(buf); header = AV_RL32(buf);
version = header & 0xff; version = header & 0xff;
@ -152,7 +153,7 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"This file is encoded with Fraps version %d. " \ "This file is encoded with Fraps version %d. " \
"This codec can only decode versions <= 5.\n", version); "This codec can only decode versions <= 5.\n", version);
return -1; return AVERROR_PATCHWELCOME;
} }
buf += header_size; buf += header_size;
@ -170,7 +171,7 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"Invalid frame length %d (should be %d)\n", "Invalid frame length %d (should be %d)\n",
buf_size, needed_size); buf_size, needed_size);
return -1; return AVERROR_INVALIDDATA;
} }
} else { } else {
/* skip frame */ /* skip frame */
@ -180,13 +181,13 @@ static int decode_frame(AVCodecContext *avctx,
} }
if (AV_RL32(buf) != FPS_TAG || buf_size < planes*1024 + 24) { if (AV_RL32(buf) != FPS_TAG || buf_size < planes*1024 + 24) {
av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n"); av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n");
return -1; return AVERROR_INVALIDDATA;
} }
for(i = 0; i < planes; i++) { for(i = 0; i < planes; i++) {
offs[i] = AV_RL32(buf + 4 + i * 4); offs[i] = AV_RL32(buf + 4 + i * 4);
if(offs[i] >= buf_size - header_size || (i && offs[i] <= offs[i - 1] + 1024)) { if(offs[i] >= buf_size - header_size || (i && offs[i] <= offs[i - 1] + 1024)) {
av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i); av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i);
return -1; return AVERROR_INVALIDDATA;
} }
} }
offs[planes] = buf_size - header_size; offs[planes] = buf_size - header_size;
@ -210,9 +211,9 @@ static int decode_frame(AVCodecContext *avctx,
} }
avctx->pix_fmt = pix_fmt; avctx->pix_fmt = pix_fmt;
if (ff_thread_get_buffer(avctx, f)) { if ((ret = ff_thread_get_buffer(avctx, f))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1; return ret;
} }
switch(version) { switch(version) {
@ -222,7 +223,7 @@ static int decode_frame(AVCodecContext *avctx,
if ( (avctx->width % 8) != 0 || (avctx->height % 2) != 0 ) { if ( (avctx->width % 8) != 0 || (avctx->height % 2) != 0 ) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame size %dx%d\n", av_log(avctx, AV_LOG_ERROR, "Invalid frame size %dx%d\n",
avctx->width, avctx->height); avctx->width, avctx->height);
return -1; return AVERROR_INVALIDDATA;
} }
buf32=(const uint32_t*)buf; buf32=(const uint32_t*)buf;
@ -261,7 +262,7 @@ static int decode_frame(AVCodecContext *avctx,
if(fraps2_decode_plane(s, f->data[i], f->linesize[i], avctx->width >> is_chroma, if(fraps2_decode_plane(s, f->data[i], f->linesize[i], avctx->width >> is_chroma,
avctx->height >> is_chroma, buf + offs[i], offs[i + 1] - offs[i], is_chroma, 1) < 0) { avctx->height >> is_chroma, buf + offs[i], offs[i + 1] - offs[i], is_chroma, 1) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i); av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i);
return -1; return AVERROR_INVALIDDATA;
} }
} }
break; break;
@ -272,7 +273,7 @@ static int decode_frame(AVCodecContext *avctx,
if(fraps2_decode_plane(s, f->data[0] + i + (f->linesize[0] * (avctx->height - 1)), -f->linesize[0], if(fraps2_decode_plane(s, f->data[0] + i + (f->linesize[0] * (avctx->height - 1)), -f->linesize[0],
avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 0, 3) < 0) { avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 0, 3) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i); av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i);
return -1; return AVERROR_INVALIDDATA;
} }
} }
out = f->data[0]; out = f->data[0];