diff options
| author | Christophe Gisquet | 2015-10-03 18:59:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer | 2015-10-05 12:44:00 +0200 |
| commit | 1f4ff53aea7c5090f31cd1323d95f7c407c9b2bb (patch) | |
| tree | b592d6bfe4bf300c943b7814b634d808000b4fd2 | |
| parent | 52256860d6e3eb003294659ae015cd1f1b3ffdfc (diff) | |
dnxhddec: Introduce DNXHD_VARIABLE
Currently not used, but will be used to indicate that a CIDEntry field
is not set, because it is variable, and that checks should be adapted.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/dnxhddata.h | 3 | ||||
| -rw-r--r-- | libavcodec/dnxhddec.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/libavcodec/dnxhddata.h b/libavcodec/dnxhddata.h index ade0b0ba3c..e960fc9775 100644 --- a/libavcodec/dnxhddata.h +++ b/libavcodec/dnxhddata.h @@ -30,6 +30,9 @@ #define DNXHD_INTERLACED (1<<0) #define DNXHD_444 (1<<1) +/** Indicate that a CIDEntry value must be read in the bitstream */ +#define DNXHD_VARIABLE 0 + typedef struct CIDEntry { int cid; unsigned int width, height; diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c index 713ce6adbc..f71977a09d 100644 --- a/libavcodec/dnxhddec.c +++ b/libavcodec/dnxhddec.c @@ -106,7 +106,8 @@ static int dnxhd_init_vlc(DNXHDContext *ctx, uint32_t cid) av_log(ctx->avctx, AV_LOG_ERROR, "unsupported cid %d\n", cid); return AVERROR(ENOSYS); } - if (ff_dnxhd_cid_table[index].bit_depth != ctx->bit_depth) { + if (ff_dnxhd_cid_table[index].bit_depth != ctx->bit_depth && + ff_dnxhd_cid_table[index].bit_depth != DNXHD_VARIABLE) { av_log(ctx->avctx, AV_LOG_ERROR, "bit depth mismatches %d %d\n", ff_dnxhd_cid_table[index].bit_depth, ctx->bit_depth); return AVERROR_INVALIDDATA; } @@ -228,7 +229,8 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame, // make sure profile size constraints are respected // DNx100 allows 1920->1440 and 1280->960 subsampling - if (ctx->width != ctx->cid_table->width) { + if (ctx->width != ctx->cid_table->width && + ctx->cid_table->width != DNXHD_VARIABLE) { av_reduce(&ctx->avctx->sample_aspect_ratio.num, &ctx->avctx->sample_aspect_ratio.den, ctx->width, ctx->cid_table->width, 255); |