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Diffstat (limited to 'libavcodec/libtheoraenc.c')
-rw-r--r--libavcodec/libtheoraenc.c72
1 files changed, 35 insertions, 37 deletions
diff --git a/libavcodec/libtheoraenc.c b/libavcodec/libtheoraenc.c
index 75b0a168ed..4c90822439 100644
--- a/libavcodec/libtheoraenc.c
+++ b/libavcodec/libtheoraenc.c
@@ -1,20 +1,20 @@
/*
* Copyright (c) 2006 Paul Richards <paul.richards@gmail.com>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -30,7 +30,7 @@
* and o_ prefixes on variables which are libogg types.
*/
-/* Libav includes */
+/* FFmpeg includes */
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
@@ -96,7 +96,7 @@ 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,
@@ -113,7 +113,7 @@ 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
}
@@ -127,7 +127,7 @@ 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);
@@ -139,7 +139,7 @@ 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;
@@ -148,7 +148,7 @@ 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
}
@@ -160,6 +160,7 @@ 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);
@@ -196,17 +197,16 @@ 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);
}
- av_pix_fmt_get_chroma_sub_sample(avc_context->pix_fmt,
- &h->uv_hshift, &h->uv_vshift);
+ avcodec_get_chroma_sub_sample(avc_context->pix_fmt, &h->uv_hshift, &h->uv_vshift);
if (avc_context->flags & CODEC_FLAG_QSCALE) {
- /* to be constant with the libvorbis implementation, clip global_quality to 0 - 10
- Theora accepts a quality parameter p, which is:
- * 0 <= p <=63
- * an int value
- */
+ /* Clip global_quality in QP units to the [0 - 10] range
+ to be consistent with the libvorbis implementation.
+ Theora accepts a quality parameter which is an int value in
+ the [0 - 63] range.
+ */
t_info.quality = av_clipf(avc_context->global_quality / (float)FF_QP2LAMBDA, 0, 10) * 6.3;
t_info.target_bitrate = 0;
} else {
@@ -218,7 +218,7 @@ 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;
@@ -228,16 +228,16 @@ 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;
}
/*
@@ -253,8 +253,8 @@ 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);
@@ -276,8 +276,8 @@ 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;
}
@@ -290,8 +290,8 @@ 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);
@@ -309,12 +309,12 @@ 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);
@@ -327,14 +327,12 @@ 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 */
- if ((ret = ff_alloc_packet(pkt, o_packet.bytes)) < 0) {
- av_log(avc_context, AV_LOG_ERROR, "Error getting output packet of size %ld.\n", o_packet.bytes);
+ if ((ret = ff_alloc_packet2(avc_context, pkt, o_packet.bytes)) < 0)
return ret;
- }
memcpy(pkt->data, o_packet.packet, o_packet.bytes);
// HACK: assumes no encoder delay, this is true until libtheora becomes
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 15:01:23 +0000