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kmvc: use meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-17 15:42:24 +00:00
parent be536f084a
commit 445f36d7c8
1 changed files with 6 additions and 5 deletions
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11
libavcodec/kmvc.c
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@ -266,6 +266,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
int header;
int blocksize;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
int ret;
bytestream2_init(&ctx->g, avpkt->data, avpkt->size);
if (ctx->pic.data[0])
@ -273,9 +274,9 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
ctx->pic.reference = 3;
ctx->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
if (avctx->get_buffer(avctx, &ctx->pic) < 0) {
if ((ret = avctx->get_buffer(avctx, &ctx->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
header = bytestream2_get_byte(&ctx->g);
@ -323,7 +324,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
if (blocksize != 8 && blocksize != 127) {
av_log(avctx, AV_LOG_ERROR, "Block size = %i\n", blocksize);
return -1;
return AVERROR_INVALIDDATA;
}
memset(ctx->cur, 0, 320 * 200);
switch (header & KMVC_METHOD) {
@ -339,7 +340,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown compression method %i\n", header & KMVC_METHOD);
return -1;
return AVERROR_INVALIDDATA;
}
out = ctx->pic.data[0];
@ -380,7 +381,7 @@ static av_cold int decode_init(AVCodecContext * avctx)
if (avctx->width > 320 || avctx->height > 200) {
av_log(avctx, AV_LOG_ERROR, "KMVC supports frames <= 320x200\n");
return -1;
return AVERROR_INVALIDDATA;
}
c->frm0 = av_mallocz(320 * 200);