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FFmpeg
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Merge commit '4a2a4524a3f50ed302820ba971ddd48e78c7436f' 

* commit '4a2a4524a3f50ed302820ba971ddd48e78c7436f':
  ffv1: propagate errors

Conflicts:
	libavcodec/ffv1dec.c
	libavcodec/ffv1enc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
tags/n1.1
Michael Niedermayer 13 years ago
parent
69fd0b7adb 4a2a4524a3
commit
99ea47fe5a
2 changed files with 35 additions and 34 deletions
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  1. +25
    -24
      libavcodec/ffv1dec.c
  2. +10
    -10
      libavcodec/ffv1enc.c

+ 25
- 24
libavcodec/ffv1dec.c View File

@@ -403,7 +403,7 @@ static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale)
unsigned len = get_symbol(c, state, 0) + 1;

if (len > 128 - i)
return -1;
return AVERROR_INVALIDDATA;

while (len--) {
quant_table[i] = scale * v;
@@ -427,7 +427,7 @@ static int read_quant_tables(RangeCoder *c,
for (i = 0; i < 5; i++) {
context_count *= read_quant_table(c, quant_table[i], context_count);
if (context_count > 32768U) {
return -1;
return AVERROR_INVALIDDATA;
}
}
return (context_count + 1) / 2;
@@ -469,19 +469,19 @@ static int read_extra_header(FFV1Context *f)
if (f->num_h_slices > (unsigned)f->width ||
f->num_v_slices > (unsigned)f->height) {
av_log(f->avctx, AV_LOG_ERROR, "too many slices\n");
return -1;
return AVERROR_INVALIDDATA;
}

f->quant_table_count = get_symbol(c, state, 0);

if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES)
return -1;
return AVERROR_INVALIDDATA;

for (i = 0; i < f->quant_table_count; i++) {
f->context_count[i] = read_quant_tables(c, f->quant_tables[i]);
if (f->context_count[i] < 0) {
av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
return -1;
return f->context_count[i];
}
}

@@ -587,7 +587,7 @@ static int read_header(FFV1Context *f)
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P10; break;
default:
av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
return AVERROR(ENOSYS);
}
} else {
switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
@@ -596,14 +596,14 @@ static int read_header(FFV1Context *f)
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; break;
default:
av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
return AVERROR(ENOSYS);
}
}
} else if (f->colorspace == 1) {
if (f->chroma_h_shift || f->chroma_v_shift) {
av_log(f->avctx, AV_LOG_ERROR,
"chroma subsampling not supported in this colorspace\n");
return -1;
return AVERROR(ENOSYS);
}
if ( f->avctx->bits_per_raw_sample == 9)
f->avctx->pix_fmt = AV_PIX_FMT_GBRP9;
@@ -618,7 +618,7 @@ static int read_header(FFV1Context *f)
else f->avctx->pix_fmt = AV_PIX_FMT_0RGB32;
} else {
av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");
return -1;
return AVERROR(ENOSYS);
}

av_dlog(f->avctx, "%d %d %d\n",
@@ -628,7 +628,7 @@ static int read_header(FFV1Context *f)
context_count = read_quant_tables(c, f->quant_table);
if (context_count < 0) {
av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
return -1;
return context_count;
}
} else if (f->version < 3) {
f->slice_count = get_symbol(c, state, 0);
@@ -644,7 +644,7 @@ static int read_header(FFV1Context *f)
}
if (f->slice_count > (unsigned)MAX_SLICES || f->slice_count <= 0) {
av_log(f->avctx, AV_LOG_ERROR, "slice count %d is invalid\n", f->slice_count);
return -1;
return AVERROR_INVALIDDATA;
}

for (j = 0; j < f->slice_count; j++) {
@@ -666,10 +666,10 @@ static int read_header(FFV1Context *f)
fs->slice_height = fs->slice_height / f->num_v_slices - fs->slice_y;
if ((unsigned)fs->slice_width > f->width ||
(unsigned)fs->slice_height > f->height)
return -1;
return AVERROR_INVALIDDATA;
if ((unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width ||
(unsigned)fs->slice_y + (uint64_t)fs->slice_height > f->height)
return -1;
return AVERROR_INVALIDDATA;
}

for (i = 0; i < f->plane_count; i++) {
@@ -680,7 +680,7 @@ static int read_header(FFV1Context *f)
if (idx > (unsigned)f->quant_table_count) {
av_log(f->avctx, AV_LOG_ERROR,
"quant_table_index out of range\n");
return -1;
return AVERROR_INVALIDDATA;
}
p->quant_table_index = idx;
memcpy(p->quant_table, f->quant_tables[idx],
@@ -706,14 +706,15 @@ static int read_header(FFV1Context *f)
static av_cold int decode_init(AVCodecContext *avctx)
{
FFV1Context *f = avctx->priv_data;
int ret;

ffv1_common_init(avctx);

if (avctx->extradata && read_extra_header(f) < 0)
return -1;
if (avctx->extradata && (ret = read_extra_header(f)) < 0)
return ret;

if (ffv1_init_slice_contexts(f) < 0)
return -1;
if ((ret = ffv1_init_slice_contexts(f)) < 0)
return ret;

return 0;
}
@@ -725,7 +726,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
FFV1Context *f = avctx->priv_data;
RangeCoder *const c = &f->slice_context[0]->c;
AVFrame *const p = &f->picture;
int i;
int i, ret;
uint8_t keystate = 128;
const uint8_t *buf_p;

@@ -742,8 +743,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
if (get_rac(c, &keystate)) {
p->key_frame = 1;
f->key_frame_ok = 0;
if (read_header(f) < 0)
return -1;
if ((ret = read_header(f)) < 0)
return ret;
f->key_frame_ok = 1;
} else {
if (!f->key_frame_ok) {
@@ -754,9 +755,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
}

p->reference = 3; //for error concealment
if (avctx->get_buffer(avctx, p) < 0) {
if ((ret = avctx->get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}

if (avctx->debug&FF_DEBUG_PICT_INFO)
@@ -773,7 +774,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
else v = buf_p - c->bytestream_start;
if (buf_p - c->bytestream_start < v) {
av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");
return -1;
return AVERROR_INVALIDDATA;
}
buf_p -= v;



+ 10
- 10
libavcodec/ffv1enc.c View File

@@ -277,12 +277,12 @@ static av_always_inline int encode_line(FFV1Context *s, int w,
if (s->ac) {
if (c->bytestream_end - c->bytestream < w * 20) {
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
return AVERROR_INVALIDDATA;
}
} else {
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) {
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
return AVERROR_INVALIDDATA;
}
}

@@ -633,7 +633,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
FFV1Context *s = avctx->priv_data;
int i, j, k, m;
int i, j, k, m, ret;

ffv1_common_init(avctx);

@@ -689,7 +689,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
}
if (!s->ac) {
av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n");
return AVERROR_INVALIDDATA;
return AVERROR(ENOSYS);
}
s->version = FFMAX(s->version, 1);
case AV_PIX_FMT_GRAY8:
@@ -736,7 +736,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
break;
default:
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return AVERROR_INVALIDDATA;
return AVERROR(ENOSYS);
}
if (s->transparency) {
av_log(avctx, AV_LOG_WARNING, "Storing alpha plane, this will require a recent FFV1 decoder to playback!\n");
@@ -817,7 +817,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
if (next == p) {
av_log(avctx, AV_LOG_ERROR,
"2Pass file invalid at %d %d [%s]\n", j, i, p);
return -1;
return AVERROR_INVALIDDATA;
}
p = next;
}
@@ -879,10 +879,10 @@ static av_cold int encode_init(AVCodecContext *avctx)
write_extra_header(s);
}

if (ffv1_init_slice_contexts(s) < 0)
return -1;
if (ffv1_init_slices_state(s) < 0)
return -1;
if ((ret = ffv1_init_slice_contexts(s)) < 0)
return ret;
if ((ret = ffv1_init_slices_state(s)) < 0)
return ret;

#define STATS_OUT_SIZE 1024 * 1024 * 6
if (avctx->flags & CODEC_FLAG_PASS1) {


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