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lavc/libtheoraenc: return proper error codes

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This commit is contained in:
Stefano Sabatini 2012-11-11 11:32:41 +01:00
parent 799d749c77
commit 8cb76ef275
1 changed files with 29 additions and 23 deletions
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52
libavcodec/libtheoraenc.c
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@ -59,21 +59,26 @@ static int concatenate_packet(unsigned int* offset,
const char* message = NULL;
uint8_t* newdata = NULL;
int newsize = avc_context->extradata_size + 2 + packet->bytes;
int ret;
if (packet->bytes < 0) {
message = "ogg_packet has negative size";
ret = AVERROR_INVALIDDATA;
} else if (packet->bytes > 0xffff) {
message = "ogg_packet is larger than 65535 bytes";
ret = AVERROR_INVALIDDATA;
} else if (newsize < avc_context->extradata_size) {
message = "extradata_size would overflow";
ret = AVERROR_INVALIDDATA;
} else {
newdata = av_realloc(avc_context->extradata, newsize);
if (!newdata)
message = "av_realloc failed";
ret = AVERROR(ENOMEM);
}
if (message) {
av_log(avc_context, AV_LOG_ERROR, "concatenate_packet failed: %s\n", message);
return -1;
return ret;
}
avc_context->extradata = newdata;
@ -95,7 +100,7 @@ static int get_stats(AVCodecContext *avctx, int eos)
bytes = th_encode_ctl(h->t_state, TH_ENCCTL_2PASS_OUT, &buf, sizeof(buf));
if (bytes < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting first pass stats\n");
return -1;
return AVERROR_EXTERNAL;
}
if (!eos) {
h->stats = av_fast_realloc(h->stats, &h->stats_size,
@ -112,7 +117,7 @@ static int get_stats(AVCodecContext *avctx, int eos)
return 0;
#else
av_log(avctx, AV_LOG_ERROR, "libtheora too old to support 2pass\n");
return -1;
return AVERROR(ENOSUP);
#endif
}
@ -126,7 +131,7 @@ static int submit_stats(AVCodecContext *avctx)
if (!h->stats) {
if (!avctx->stats_in) {
av_log(avctx, AV_LOG_ERROR, "No statsfile for second pass\n");
return -1;
return AVERROR(EINVAL);
}
h->stats_size = strlen(avctx->stats_in) * 3/4;
h->stats = av_malloc(h->stats_size);
@ -138,7 +143,7 @@ static int submit_stats(AVCodecContext *avctx)
h->stats_size - h->stats_offset);
if (bytes < 0) {
av_log(avctx, AV_LOG_ERROR, "Error submitting stats\n");
return -1;
return AVERROR_EXTERNAL;
}
if (!bytes)
return 0;
@ -147,7 +152,7 @@ static int submit_stats(AVCodecContext *avctx)
return 0;
#else
av_log(avctx, AV_LOG_ERROR, "libtheora too old to support 2pass\n");
return -1;
return AVERROR(ENOSUP);
#endif
}
@ -159,6 +164,7 @@ static av_cold int encode_init(AVCodecContext* avc_context)
unsigned int offset;
TheoraContext *h = avc_context->priv_data;
uint32_t gop_size = avc_context->gop_size;
int ret;
/* Set up the theora_info struct */
th_info_init(&t_info);
@ -195,7 +201,7 @@ static av_cold int encode_init(AVCodecContext* avc_context)
t_info.pixel_fmt = TH_PF_444;
else {
av_log(avc_context, AV_LOG_ERROR, "Unsupported pix_fmt\n");
return -1;
return AVERROR(EINVAL);
}
avcodec_get_chroma_sub_sample(avc_context->pix_fmt, &h->uv_hshift, &h->uv_vshift);
@ -216,7 +222,7 @@ static av_cold int encode_init(AVCodecContext* avc_context)
h->t_state = th_encode_alloc(&t_info);
if (!h->t_state) {
av_log(avc_context, AV_LOG_ERROR, "theora_encode_init failed\n");
return -1;
return AVERROR_EXTERNAL;
}
h->keyframe_mask = (1 << t_info.keyframe_granule_shift) - 1;
@ -226,16 +232,16 @@ static av_cold int encode_init(AVCodecContext* avc_context)
if (th_encode_ctl(h->t_state, TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE,
&gop_size, sizeof(gop_size))) {
av_log(avc_context, AV_LOG_ERROR, "Error setting GOP size\n");
return -1;
return AVERROR_EXTERNAL;
}
// need to enable 2 pass (via TH_ENCCTL_2PASS_) before encoding headers
if (avc_context->flags & CODEC_FLAG_PASS1) {
if (get_stats(avc_context, 0))
return -1;
if ((ret = get_stats(avc_context, 0)) < 0)
return ret;
} else if (avc_context->flags & CODEC_FLAG_PASS2) {
if (submit_stats(avc_context))
return -1;
if ((ret = submit_stats(avc_context)) < 0)
return ret;
}
/*
@ -251,8 +257,8 @@ static av_cold int encode_init(AVCodecContext* avc_context)
th_comment_init(&t_comment);
while (th_encode_flushheader(h->t_state, &t_comment, &o_packet))
if (concatenate_packet(&offset, avc_context, &o_packet))
return -1;
if ((ret = concatenate_packet(&offset, avc_context, &o_packet)) < 0)
return ret;
th_comment_clear(&t_comment);
@ -274,8 +280,8 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
if (!frame) {
th_encode_packetout(h->t_state, 1, &o_packet);
if (avc_context->flags & CODEC_FLAG_PASS1)
if (get_stats(avc_context, 1))
return -1;
if ((ret = get_stats(avc_context, 1)) < 0)
return ret;
return 0;
}
@ -288,8 +294,8 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
}
if (avc_context->flags & CODEC_FLAG_PASS2)
if (submit_stats(avc_context))
return -1;
if ((ret = submit_stats(avc_context)) < 0)
return ret;
/* Now call into theora_encode_YUVin */
result = th_encode_ycbcr_in(h->t_state, t_yuv_buffer);
@ -307,12 +313,12 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
break;
}
av_log(avc_context, AV_LOG_ERROR, "theora_encode_YUVin failed (%s) [%d]\n", message, result);
return -1;
return AVERROR_EXTERNAL;
}
if (avc_context->flags & CODEC_FLAG_PASS1)
if (get_stats(avc_context, 0))
return -1;
if ((ret = get_stats(avc_context, 0)) < 0)
return ret;
/* Pick up returned ogg_packet */
result = th_encode_packetout(h->t_state, 0, &o_packet);
@ -325,7 +331,7 @@ static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
break;
default:
av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed [%d]\n", result);
return -1;
return AVERROR_EXTERNAL;
}
/* Copy ogg_packet content out to buffer */