[FFmpeg-devel] [PATCH] avcodec: Remove libvo-aacenc support.
Kieran Kunhya
kieran at kunhya.com
Sun Jan 24 17:33:31 CET 2016
The internal encoder is superior to libvo-aacenc.
---
configure | 6 --
doc/encoders.texi | 25 ------
doc/general.texi | 8 --
libavcodec/Makefile | 1 -
libavcodec/allcodecs.c | 1 -
libavcodec/libvo-aacenc.c | 200 ----------------------------------------------
libavcodec/version.h | 2 +-
7 files changed, 1 insertion(+), 242 deletions(-)
delete mode 100644 libavcodec/libvo-aacenc.c
diff --git a/configure b/configure
index 35e3513..b940d2a 100755
--- a/configure
+++ b/configure
@@ -255,7 +255,6 @@ External library support:
--enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
--enable-libv4l2 enable libv4l2/v4l-utils [no]
--enable-libvidstab enable video stabilization using vid.stab [no]
- --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
--enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
--enable-libvorbis enable Vorbis en/decoding via libvorbis,
native implementation exists [no]
@@ -1481,7 +1480,6 @@ EXTERNAL_LIBRARY_LIST="
libutvideo
libv4l2
libvidstab
- libvo_aacenc
libvo_amrwbenc
libvorbis
libvpx
@@ -2639,8 +2637,6 @@ libspeex_encoder_deps="libspeex"
libspeex_encoder_select="audio_frame_queue"
libtheora_encoder_deps="libtheora"
libtwolame_encoder_deps="libtwolame"
-libvo_aacenc_encoder_deps="libvo_aacenc"
-libvo_aacenc_encoder_select="audio_frame_queue"
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
libvorbis_decoder_deps="libvorbis"
libvorbis_encoder_deps="libvorbis"
@@ -4866,7 +4862,6 @@ die_license_disabled version3 gmp
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb
die_license_disabled version3 libsmbclient
-die_license_disabled version3 libvo_aacenc
die_license_disabled version3 libvo_amrwbenc
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
@@ -5488,7 +5483,6 @@ enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
-enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 33699df..c485f90 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1075,31 +1075,6 @@ Set MPEG audio original flag when set to 1. The default value is 0
@end table
- at anchor{libvo-aacenc}
- at section libvo-aacenc
-
-VisualOn AAC encoder.
-
-Requires the presence of the libvo-aacenc headers and library during
-configuration. You need to explicitly configure the build with
- at code{--enable-libvo-aacenc --enable-version3}.
-
-This encoder is considered to be worse than the
- at ref{aacenc,,native FFmpeg AAC encoder}, according to
-multiple sources.
-
- at subsection Options
-
-The VisualOn AAC encoder only support encoding AAC-LC and up to 2
-channels. It is also CBR-only.
-
- at table @option
-
- at item b
-Set bit rate in bits/s.
-
- at end table
-
@section libvo-amrwbenc
VisualOn Adaptive Multi-Rate Wideband encoder.
diff --git a/doc/general.texi b/doc/general.texi
index 06933ab..185c978 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -53,14 +53,6 @@ instructions for installing the libraries.
Then pass @code{--enable-libopencore-amrnb} and/or
@code{--enable-libopencore-amrwb} to configure to enable them.
- at subsection VisualOn AAC encoder library
-
-FFmpeg can make use of the VisualOn AACenc library for AAC encoding.
-
-Go to @url{http://sourceforge.net/projects/opencore-amr/} and follow the
-instructions for installing the library.
-Then pass @code{--enable-libvo-aacenc} to configure to enable it.
-
@subsection VisualOn AMR-WB encoder library
FFmpeg can make use of the VisualOn AMR-WBenc library for AMR-WB encoding.
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index b9ffdb9..178bc18 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -833,7 +833,6 @@ OBJS-$(CONFIG_LIBTHEORA_ENCODER) += libtheoraenc.o
OBJS-$(CONFIG_LIBTWOLAME_ENCODER) += libtwolame.o
OBJS-$(CONFIG_LIBUTVIDEO_DECODER) += libutvideodec.o
OBJS-$(CONFIG_LIBUTVIDEO_ENCODER) += libutvideoenc.o
-OBJS-$(CONFIG_LIBVO_AACENC_ENCODER) += libvo-aacenc.o mpeg4audio.o
OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER) += libvo-amrwbenc.o
OBJS-$(CONFIG_LIBVORBIS_DECODER) += libvorbisdec.o
OBJS-$(CONFIG_LIBVORBIS_ENCODER) += libvorbisenc.o \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 2128546..689106b 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -575,7 +575,6 @@ void avcodec_register_all(void)
REGISTER_ENCODER(LIBTHEORA, libtheora);
REGISTER_ENCODER(LIBTWOLAME, libtwolame);
REGISTER_ENCDEC (LIBUTVIDEO, libutvideo);
- REGISTER_ENCODER(LIBVO_AACENC, libvo_aacenc);
REGISTER_ENCODER(LIBVO_AMRWBENC, libvo_amrwbenc);
REGISTER_ENCDEC (LIBVORBIS, libvorbis);
REGISTER_ENCDEC (LIBVPX_VP8, libvpx_vp8);
diff --git a/libavcodec/libvo-aacenc.c b/libavcodec/libvo-aacenc.c
deleted file mode 100644
index 7f21ad2..0000000
--- a/libavcodec/libvo-aacenc.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * AAC encoder wrapper
- * Copyright (c) 2010 Martin Storsjo
- *
- * This file is part of FFmpeg.
- *
- * 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.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <vo-aacenc/voAAC.h>
-#include <vo-aacenc/cmnMemory.h>
-
-#include "avcodec.h"
-#include "audio_frame_queue.h"
-#include "internal.h"
-#include "mpeg4audio.h"
-
-#define FRAME_SIZE 1024
-#define ENC_DELAY 1600
-
-typedef struct AACContext {
- VO_AUDIO_CODECAPI codec_api;
- VO_HANDLE handle;
- VO_MEM_OPERATOR mem_operator;
- VO_CODEC_INIT_USERDATA user_data;
- VO_PBYTE end_buffer;
- AudioFrameQueue afq;
- int last_frame;
- int last_samples;
-} AACContext;
-
-
-static int aac_encode_close(AVCodecContext *avctx)
-{
- AACContext *s = avctx->priv_data;
-
- s->codec_api.Uninit(s->handle);
- av_freep(&avctx->extradata);
- ff_af_queue_close(&s->afq);
- av_freep(&s->end_buffer);
-
- return 0;
-}
-
-static av_cold int aac_encode_init(AVCodecContext *avctx)
-{
- AACContext *s = avctx->priv_data;
- AACENC_PARAM params = { 0 };
- int index, ret;
-
- avctx->frame_size = FRAME_SIZE;
- avctx->initial_padding = ENC_DELAY;
- s->last_frame = 2;
- ff_af_queue_init(avctx, &s->afq);
-
- s->end_buffer = av_mallocz_array(avctx->channels, avctx->frame_size * 2);
- if (!s->end_buffer) {
- ret = AVERROR(ENOMEM);
- goto error;
- }
-
- voGetAACEncAPI(&s->codec_api);
-
- s->mem_operator.Alloc = cmnMemAlloc;
- s->mem_operator.Copy = cmnMemCopy;
- s->mem_operator.Free = cmnMemFree;
- s->mem_operator.Set = cmnMemSet;
- s->mem_operator.Check = cmnMemCheck;
- s->user_data.memflag = VO_IMF_USERMEMOPERATOR;
- s->user_data.memData = &s->mem_operator;
- s->codec_api.Init(&s->handle, VO_AUDIO_CodingAAC, &s->user_data);
-
- params.sampleRate = avctx->sample_rate;
- params.bitRate = avctx->bit_rate;
- params.nChannels = avctx->channels;
- params.adtsUsed = !(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER);
- if (s->codec_api.SetParam(s->handle, VO_PID_AAC_ENCPARAM, ¶ms)
- != VO_ERR_NONE) {
- av_log(avctx, AV_LOG_ERROR, "Unable to set encoding parameters\n");
- ret = AVERROR(EINVAL);
- goto error;
- }
-
- for (index = 0; index < 16; index++)
- if (avctx->sample_rate == avpriv_mpeg4audio_sample_rates[index])
- break;
- if (index == 16) {
- av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n",
- avctx->sample_rate);
- ret = AVERROR(ENOSYS);
- goto error;
- }
- if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
- avctx->extradata_size = 2;
- avctx->extradata = av_mallocz(avctx->extradata_size +
- AV_INPUT_BUFFER_PADDING_SIZE);
- if (!avctx->extradata) {
- ret = AVERROR(ENOMEM);
- goto error;
- }
-
- avctx->extradata[0] = 0x02 << 3 | index >> 1;
- avctx->extradata[1] = (index & 0x01) << 7 | avctx->channels << 3;
- }
- return 0;
-error:
- aac_encode_close(avctx);
- return ret;
-}
-
-static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
- const AVFrame *frame, int *got_packet_ptr)
-{
- AACContext *s = avctx->priv_data;
- VO_CODECBUFFER input = { 0 }, output = { 0 };
- VO_AUDIO_OUTPUTINFO output_info = { { 0 } };
- VO_PBYTE samples;
- int ret;
-
- /* handle end-of-stream small frame and flushing */
- if (!frame) {
- if (s->last_frame <= 0)
- return 0;
- if (s->last_samples > 0 && s->last_samples < ENC_DELAY - FRAME_SIZE) {
- s->last_samples = 0;
- s->last_frame--;
- }
- s->last_frame--;
- memset(s->end_buffer, 0, 2 * avctx->channels * avctx->frame_size);
- samples = s->end_buffer;
- } else {
- if (frame->nb_samples < avctx->frame_size) {
- s->last_samples = frame->nb_samples;
- memcpy(s->end_buffer, frame->data[0], 2 * avctx->channels * frame->nb_samples);
- samples = s->end_buffer;
- } else {
- samples = (VO_PBYTE)frame->data[0];
- }
- /* add current frame to the queue */
- if ((ret = ff_af_queue_add(&s->afq, frame)) < 0)
- return ret;
- }
-
- if ((ret = ff_alloc_packet2(avctx, avpkt, FFMAX(8192, 768 * avctx->channels), 0)) < 0)
- return ret;
-
- input.Buffer = samples;
- input.Length = 2 * avctx->channels * avctx->frame_size;
- output.Buffer = avpkt->data;
- output.Length = avpkt->size;
-
- s->codec_api.SetInputData(s->handle, &input);
- if (s->codec_api.GetOutputData(s->handle, &output, &output_info)
- != VO_ERR_NONE) {
- av_log(avctx, AV_LOG_ERROR, "Unable to encode frame\n");
- return AVERROR(EINVAL);
- }
-
- /* Get the next frame pts/duration */
- ff_af_queue_remove(&s->afq, avctx->frame_size, &avpkt->pts,
- &avpkt->duration);
-
- avpkt->size = output.Length;
- *got_packet_ptr = 1;
- return 0;
-}
-
-/* duplicated from avpriv_mpeg4audio_sample_rates to avoid shared build
- * failures */
-static const int mpeg4audio_sample_rates[16] = {
- 96000, 88200, 64000, 48000, 44100, 32000,
- 24000, 22050, 16000, 12000, 11025, 8000, 7350
-};
-
-AVCodec ff_libvo_aacenc_encoder = {
- .name = "libvo_aacenc",
- .long_name = NULL_IF_CONFIG_SMALL("Android VisualOn AAC (Advanced Audio Coding)"),
- .type = AVMEDIA_TYPE_AUDIO,
- .id = AV_CODEC_ID_AAC,
- .priv_data_size = sizeof(AACContext),
- .init = aac_encode_init,
- .encode2 = aac_encode_frame,
- .close = aac_encode_close,
- .supported_samplerates = mpeg4audio_sample_rates,
- .capabilities = AV_CODEC_CAP_SMALL_LAST_FRAME | AV_CODEC_CAP_DELAY,
- .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
- AV_SAMPLE_FMT_NONE },
-};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 2b01e6f..3caebd8 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 22
+#define LIBAVCODEC_VERSION_MINOR 23
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
--
1.9.1
More information about the ffmpeg-devel
mailing list