diff options
Diffstat (limited to 'libavcodec/vp6.c')
-rw-r--r-- | libavcodec/vp6.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/vp6.c b/libavcodec/vp6.c index 8294c72dc0..11c763bd83 100644 --- a/libavcodec/vp6.c +++ b/libavcodec/vp6.c @@ -50,7 +50,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, int vrt_shift = 0; int sub_version; int rows, cols; - int res = 1; + int res = 0; int separated_coeff = buf[0] & 1; s->framep[VP56_FRAME_CURRENT]->key_frame = !(buf[0] & 0x80); @@ -59,11 +59,11 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, if (s->framep[VP56_FRAME_CURRENT]->key_frame) { sub_version = buf[1] >> 3; if (sub_version > 8) - return 0; + return AVERROR_INVALIDDATA; s->filter_header = buf[1] & 0x06; if (buf[1] & 1) { - av_log(s->avctx, AV_LOG_ERROR, "interlacing not supported\n"); - return 0; + av_log_missing_feature(s->avctx, "Interlacing", 0); + return AVERROR_PATCHWELCOME; } if (separated_coeff || !s->filter_header) { coeff_offset = AV_RB16(buf+2) - 2; @@ -77,7 +77,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, /* buf[5] is number of displayed macroblock cols */ if (!rows || !cols) { av_log(s->avctx, AV_LOG_ERROR, "Invalid size %dx%d\n", cols << 4, rows << 4); - return 0; + return AVERROR_INVALIDDATA; } if (!s->macroblocks || /* first frame */ @@ -88,7 +88,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, s->avctx->width -= s->avctx->extradata[0] >> 4; s->avctx->height -= s->avctx->extradata[0] & 0x0F; } - res = 2; + res = VP56_SIZE_CHANGE; } ff_vp56_init_range_decoder(c, buf+6, buf_size-6); @@ -100,7 +100,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, s->sub_version = sub_version; } else { if (!s->sub_version || !s->avctx->coded_width || !s->avctx->coded_height) - return 0; + return AVERROR_INVALIDDATA; if (separated_coeff || !s->filter_header) { coeff_offset = AV_RB16(buf+1) - 2; @@ -144,7 +144,7 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size, if (buf_size < 0) { if (s->framep[VP56_FRAME_CURRENT]->key_frame) avcodec_set_dimensions(s->avctx, 0, 0); - return 0; + return AVERROR_INVALIDDATA; } if (s->use_huffman) { s->parse_coeff = vp6_parse_coeff_huffman; |