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-rwxr-xr-xconfigure13
-rw-r--r--libavformat/Makefile1
-rw-r--r--libavformat/riff.c223
-rw-r--r--libavformat/riffdec.c247
4 files changed, 261 insertions, 223 deletions
diff --git a/configure b/configure
index 467ab16..53972de 100755
--- a/configure
+++ b/configure
@@ -1574,6 +1574,7 @@ CONFIG_EXTRA="
mpegvideoenc
nettle
rangecoder
+ riffdec
riffenc
rtpdec
rtpenc_chain
@@ -2025,13 +2026,18 @@ libutvideo_encoder_deps="libutvideo"
# demuxers / muxers
ac3_demuxer_select="ac3_parser"
+asf_demuxer_select="riffdec"
asf_muxer_select="riffenc"
asf_stream_muxer_select="asf_muxer"
+avi_demuxer_select="riffdec"
avi_muxer_select="riffenc"
avisynth_demuxer_deps="avisynth"
+avisynth_demuxer_select="riffdec"
+caf_demuxer_select="riffdec"
dirac_demuxer_select="dirac_parser"
dts_demuxer_select="dca_parser"
dtshd_demuxer_select="dca_parser"
+dxa_demuxer_select="riffdec"
eac3_demuxer_select="ac3_parser"
f4v_muxer_select="mov_muxer"
flac_demuxer_select="flac_parser"
@@ -2040,9 +2046,11 @@ ismv_muxer_select="mov_muxer"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
matroska_audio_muxer_select="matroska_muxer"
+matroska_demuxer_select="riffdec"
matroska_demuxer_suggest="bzlib lzo zlib"
matroska_muxer_select="riffenc"
mmf_muxer_select="riffenc"
+mov_demuxer_select="riffdec"
mov_demuxer_suggest="zlib"
mov_muxer_select="riffenc rtpenc_chain"
mp3_demuxer_select="mpegaudio_parser"
@@ -2051,6 +2059,7 @@ mpegts_muxer_select="adts_muxer latm_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
nut_muxer_select="riffenc"
+nuv_demuxer_select="riffdec"
ogg_demuxer_select="golomb"
psp_muxer_select="mov_muxer"
rtp_demuxer_select="sdp_demuxer"
@@ -2068,8 +2077,12 @@ tgp_muxer_select="mov_muxer"
vobsub_demuxer_select="mpegps_demuxer"
w64_demuxer_deps="wav_demuxer"
w64_muxer_deps="wav_muxer"
+wav_demuxer_select="riffdec"
wav_muxer_select="riffenc"
webm_muxer_select="riffenc"
+wtv_demuxer_select="riffdec"
+xmv_demuxer_select="riffdec"
+xwma_demuxer_select="riffdec"
# indevs / outdevs
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
diff --git a/libavformat/Makefile b/libavformat/Makefile
index b0e42b3..b8872b3 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -25,6 +25,7 @@ OBJS = allformats.o \
utils.o \
OBJS-$(CONFIG_NETWORK) += network.o
+OBJS-$(CONFIG_RIFFDEC) += riffdec.o
OBJS-$(CONFIG_RIFFENC) += riffenc.o
OBJS-$(CONFIG_RTPDEC) += rdt.o \
rtp.o \
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 0896d22..84d97ed 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -20,13 +20,9 @@
*/
#include "libavutil/error.h"
-#include "libavutil/log.h"
#include "libavcodec/avcodec.h"
#include "avformat.h"
-#include "avio_internal.h"
#include "riff.h"
-#include "libavcodec/bytestream.h"
-#include "libavutil/avassert.h"
/* Note: When encoding, the first matching tag is used, so order is
* important if multiple tags are possible for a given codec.
@@ -422,14 +418,6 @@ const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_NONE, 0 },
};
-const AVCodecGuid ff_codec_wav_guids[] = {
- { AV_CODEC_ID_AC3, { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
- { AV_CODEC_ID_ATRAC3P, { 0xBF, 0xAA, 0x23, 0xE9, 0x58, 0xCB, 0x71, 0x44, 0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62 } },
- { AV_CODEC_ID_EAC3, { 0xAF, 0x87, 0xFB, 0xA7, 0x02, 0x2D, 0xFB, 0x42, 0xA4, 0xD4, 0x05, 0xCD, 0x93, 0x84, 0x3B, 0xDD } },
- { AV_CODEC_ID_MP2, { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
- { AV_CODEC_ID_NONE }
-};
-
const AVMetadataConv ff_riff_info_conv[] = {
{ "IART", "artist" },
{ "ICMT", "comment" },
@@ -447,22 +435,6 @@ const AVMetadataConv ff_riff_info_conv[] = {
{ 0 },
};
-void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
-{
- av_assert0(sizeof(*g) == 16); //compiler will optimize this out
- if (avio_read(s, *g, sizeof(*g)) < (int)sizeof(*g))
- memset(*g, 0, sizeof(*g));
-}
-
-enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
-{
- int i;
- for (i = 0; guids[i].id != AV_CODEC_ID_NONE; i++)
- if (!ff_guidcmp(guids[i].guid, guid))
- return guids[i].id;
- return AV_CODEC_ID_NONE;
-}
-
const struct AVCodecTag *avformat_get_riff_video_tags(void)
{
return ff_codec_bmp_tags;
@@ -472,198 +444,3 @@ const struct AVCodecTag *avformat_get_riff_audio_tags(void)
{
return ff_codec_wav_tags;
}
-
-#if CONFIG_DEMUXERS
-/* We could be given one of the three possible structures here:
- * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
- * is an expansion of the previous one with the fields added
- * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
- * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
- * an openended structure.
- */
-
-static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
-{
- ff_asf_guid subformat;
- int bps = avio_rl16(pb);
- if (bps)
- c->bits_per_coded_sample = bps;
-
- c->channel_layout = avio_rl32(pb); /* dwChannelMask */
-
- ff_get_guid(pb, &subformat);
- if (!memcmp(subformat + 4,
- (const uint8_t[]){ FF_MEDIASUBTYPE_BASE_GUID }, 12)) {
- c->codec_tag = AV_RL32(subformat);
- c->codec_id = ff_wav_codec_get_id(c->codec_tag,
- c->bits_per_coded_sample);
- } else {
- c->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
- if (!c->codec_id)
- av_log(c, AV_LOG_WARNING,
- "unknown subformat:"FF_PRI_GUID"\n",
- FF_ARG_GUID(subformat));
- }
-}
-
-int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
-{
- int id;
-
- id = avio_rl16(pb);
- codec->codec_type = AVMEDIA_TYPE_AUDIO;
- codec->channels = avio_rl16(pb);
- codec->sample_rate = avio_rl32(pb);
- codec->bit_rate = avio_rl32(pb) * 8;
- codec->block_align = avio_rl16(pb);
- if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
- codec->bits_per_coded_sample = 8;
- } else
- codec->bits_per_coded_sample = avio_rl16(pb);
- if (id == 0xFFFE) {
- codec->codec_tag = 0;
- } else {
- codec->codec_tag = id;
- codec->codec_id = ff_wav_codec_get_id(id,
- codec->bits_per_coded_sample);
- }
- if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
- int cbSize = avio_rl16(pb); /* cbSize */
- size -= 18;
- cbSize = FFMIN(size, cbSize);
- if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
- parse_waveformatex(pb, codec);
- cbSize -= 22;
- size -= 22;
- }
- codec->extradata_size = cbSize;
- if (cbSize > 0) {
- av_free(codec->extradata);
- codec->extradata = av_mallocz(codec->extradata_size +
- FF_INPUT_BUFFER_PADDING_SIZE);
- if (!codec->extradata)
- return AVERROR(ENOMEM);
- avio_read(pb, codec->extradata, codec->extradata_size);
- size -= cbSize;
- }
-
- /* It is possible for the chunk to contain garbage at the end */
- if (size > 0)
- avio_skip(pb, size);
- }
- if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
- /* Channels and sample_rate values are those prior to applying SBR
- * and/or PS. */
- codec->channels = 0;
- codec->sample_rate = 0;
- }
- /* override bits_per_coded_sample for G.726 */
- if (codec->codec_id == AV_CODEC_ID_ADPCM_G726 && codec->sample_rate)
- codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
-
- return 0;
-}
-
-enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
-{
- enum AVCodecID id;
- id = ff_codec_get_id(ff_codec_wav_tags, tag);
- if (id <= 0)
- return id;
-
- if (id == AV_CODEC_ID_PCM_S16LE)
- id = ff_get_pcm_codec_id(bps, 0, 0, ~1);
- else if (id == AV_CODEC_ID_PCM_F32LE)
- id = ff_get_pcm_codec_id(bps, 1, 0, 0);
-
- if (id == AV_CODEC_ID_ADPCM_IMA_WAV && bps == 8)
- id = AV_CODEC_ID_PCM_ZORK;
- return id;
-}
-
-int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize)
-{
- int tag1;
- if(esize) *esize = avio_rl32(pb);
- else avio_rl32(pb);
- st->codec->width = avio_rl32(pb);
- st->codec->height = (int32_t)avio_rl32(pb);
- avio_rl16(pb); /* planes */
- st->codec->bits_per_coded_sample = avio_rl16(pb); /* depth */
- tag1 = avio_rl32(pb);
- avio_rl32(pb); /* ImageSize */
- avio_rl32(pb); /* XPelsPerMeter */
- avio_rl32(pb); /* YPelsPerMeter */
- avio_rl32(pb); /* ClrUsed */
- avio_rl32(pb); /* ClrImportant */
- return tag1;
-}
-
-int ff_read_riff_info(AVFormatContext *s, int64_t size)
-{
- int64_t start, end, cur;
- AVIOContext *pb = s->pb;
-
- start = avio_tell(pb);
- end = start + size;
-
- while ((cur = avio_tell(pb)) >= 0 &&
- cur <= end - 8 /* = tag + size */) {
- uint32_t chunk_code;
- int64_t chunk_size;
- char key[5] = { 0 };
- char *value;
-
- chunk_code = avio_rl32(pb);
- chunk_size = avio_rl32(pb);
- if (url_feof(pb)) {
- if (chunk_code || chunk_size) {
- av_log(s, AV_LOG_WARNING, "INFO subchunk truncated\n");
- return AVERROR_INVALIDDATA;
- }
- return AVERROR_EOF;
- }
- if (chunk_size > end ||
- end - chunk_size < cur ||
- chunk_size == UINT_MAX) {
- avio_seek(pb, -9, SEEK_CUR);
- chunk_code = avio_rl32(pb);
- chunk_size = avio_rl32(pb);
- if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
- av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
- return AVERROR_INVALIDDATA;
- }
- }
-
- chunk_size += (chunk_size & 1);
-
- if (!chunk_code) {
- if (chunk_size)
- avio_skip(pb, chunk_size);
- else if (pb->eof_reached) {
- av_log(s, AV_LOG_WARNING, "truncated file\n");
- return AVERROR_EOF;
- }
- continue;
- }
-
- value = av_mallocz(chunk_size + 1);
- if (!value) {
- av_log(s, AV_LOG_ERROR,
- "out of memory, unable to read INFO tag\n");
- return AVERROR(ENOMEM);
- }
-
- AV_WL32(key, chunk_code);
-
- if (avio_read(pb, value, chunk_size) != chunk_size) {
- av_log(s, AV_LOG_WARNING,
- "premature end of file while reading INFO tag\n");
- }
-
- av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
- }
-
- return 0;
-}
-#endif /* CONFIG_DEMUXERS */
diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
new file mode 100644
index 0000000..973f3fa
--- /dev/null
+++ b/libavformat/riffdec.c
@@ -0,0 +1,247 @@
+/*
+ * RIFF demuxing functions and data
+ * Copyright (c) 2000 Fabrice Bellard
+ *
+ * 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 "libavutil/dict.h"
+#include "libavutil/error.h"
+#include "libavutil/log.h"
+#include "libavutil/mathematics.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/bytestream.h"
+#include "avformat.h"
+#include "avio_internal.h"
+#include "riff.h"
+
+const AVCodecGuid ff_codec_wav_guids[] = {
+ { AV_CODEC_ID_AC3, { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
+ { AV_CODEC_ID_ATRAC3P, { 0xBF, 0xAA, 0x23, 0xE9, 0x58, 0xCB, 0x71, 0x44, 0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62 } },
+ { AV_CODEC_ID_EAC3, { 0xAF, 0x87, 0xFB, 0xA7, 0x02, 0x2D, 0xFB, 0x42, 0xA4, 0xD4, 0x05, 0xCD, 0x93, 0x84, 0x3B, 0xDD } },
+ { AV_CODEC_ID_MP2, { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
+ { AV_CODEC_ID_NONE }
+};
+
+void ff_get_guid(AVIOContext *s, ff_asf_guid *g)
+{
+ av_assert0(sizeof(*g) == 16); //compiler will optimize this out
+ if (avio_read(s, *g, sizeof(*g)) < (int)sizeof(*g))
+ memset(*g, 0, sizeof(*g));
+}
+
+enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
+{
+ int i;
+ for (i = 0; guids[i].id != AV_CODEC_ID_NONE; i++)
+ if (!ff_guidcmp(guids[i].guid, guid))
+ return guids[i].id;
+ return AV_CODEC_ID_NONE;
+}
+
+/* We could be given one of the three possible structures here:
+ * WAVEFORMAT, PCMWAVEFORMAT or WAVEFORMATEX. Each structure
+ * is an expansion of the previous one with the fields added
+ * at the bottom. PCMWAVEFORMAT adds 'WORD wBitsPerSample' and
+ * WAVEFORMATEX adds 'WORD cbSize' and basically makes itself
+ * an openended structure.
+ */
+
+static void parse_waveformatex(AVIOContext *pb, AVCodecContext *c)
+{
+ ff_asf_guid subformat;
+ int bps = avio_rl16(pb);
+ if (bps)
+ c->bits_per_coded_sample = bps;
+
+ c->channel_layout = avio_rl32(pb); /* dwChannelMask */
+
+ ff_get_guid(pb, &subformat);
+ if (!memcmp(subformat + 4,
+ (const uint8_t[]){ FF_MEDIASUBTYPE_BASE_GUID }, 12)) {
+ c->codec_tag = AV_RL32(subformat);
+ c->codec_id = ff_wav_codec_get_id(c->codec_tag,
+ c->bits_per_coded_sample);
+ } else {
+ c->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
+ if (!c->codec_id)
+ av_log(c, AV_LOG_WARNING,
+ "unknown subformat:"FF_PRI_GUID"\n",
+ FF_ARG_GUID(subformat));
+ }
+}
+
+int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
+{
+ int id;
+
+ id = avio_rl16(pb);
+ codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ codec->channels = avio_rl16(pb);
+ codec->sample_rate = avio_rl32(pb);
+ codec->bit_rate = avio_rl32(pb) * 8;
+ codec->block_align = avio_rl16(pb);
+ if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
+ codec->bits_per_coded_sample = 8;
+ } else
+ codec->bits_per_coded_sample = avio_rl16(pb);
+ if (id == 0xFFFE) {
+ codec->codec_tag = 0;
+ } else {
+ codec->codec_tag = id;
+ codec->codec_id = ff_wav_codec_get_id(id,
+ codec->bits_per_coded_sample);
+ }
+ if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
+ int cbSize = avio_rl16(pb); /* cbSize */
+ size -= 18;
+ cbSize = FFMIN(size, cbSize);
+ if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
+ parse_waveformatex(pb, codec);
+ cbSize -= 22;
+ size -= 22;
+ }
+ codec->extradata_size = cbSize;
+ if (cbSize > 0) {
+ av_free(codec->extradata);
+ codec->extradata = av_mallocz(codec->extradata_size +
+ FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!codec->extradata)
+ return AVERROR(ENOMEM);
+ avio_read(pb, codec->extradata, codec->extradata_size);
+ size -= cbSize;
+ }
+
+ /* It is possible for the chunk to contain garbage at the end */
+ if (size > 0)
+ avio_skip(pb, size);
+ }
+ if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
+ /* Channels and sample_rate values are those prior to applying SBR
+ * and/or PS. */
+ codec->channels = 0;
+ codec->sample_rate = 0;
+ }
+ /* override bits_per_coded_sample for G.726 */
+ if (codec->codec_id == AV_CODEC_ID_ADPCM_G726 && codec->sample_rate)
+ codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
+
+ return 0;
+}
+
+enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
+{
+ enum AVCodecID id;
+ id = ff_codec_get_id(ff_codec_wav_tags, tag);
+ if (id <= 0)
+ return id;
+
+ if (id == AV_CODEC_ID_PCM_S16LE)
+ id = ff_get_pcm_codec_id(bps, 0, 0, ~1);
+ else if (id == AV_CODEC_ID_PCM_F32LE)
+ id = ff_get_pcm_codec_id(bps, 1, 0, 0);
+
+ if (id == AV_CODEC_ID_ADPCM_IMA_WAV && bps == 8)
+ id = AV_CODEC_ID_PCM_ZORK;
+ return id;
+}
+
+int ff_get_bmp_header(AVIOContext *pb, AVStream *st, unsigned *esize)
+{
+ int tag1;
+ if(esize) *esize = avio_rl32(pb);
+ else avio_rl32(pb);
+ st->codec->width = avio_rl32(pb);
+ st->codec->height = (int32_t)avio_rl32(pb);
+ avio_rl16(pb); /* planes */
+ st->codec->bits_per_coded_sample = avio_rl16(pb); /* depth */
+ tag1 = avio_rl32(pb);
+ avio_rl32(pb); /* ImageSize */
+ avio_rl32(pb); /* XPelsPerMeter */
+ avio_rl32(pb); /* YPelsPerMeter */
+ avio_rl32(pb); /* ClrUsed */
+ avio_rl32(pb); /* ClrImportant */
+ return tag1;
+}
+
+int ff_read_riff_info(AVFormatContext *s, int64_t size)
+{
+ int64_t start, end, cur;
+ AVIOContext *pb = s->pb;
+
+ start = avio_tell(pb);
+ end = start + size;
+
+ while ((cur = avio_tell(pb)) >= 0 &&
+ cur <= end - 8 /* = tag + size */) {
+ uint32_t chunk_code;
+ int64_t chunk_size;
+ char key[5] = { 0 };
+ char *value;
+
+ chunk_code = avio_rl32(pb);
+ chunk_size = avio_rl32(pb);
+ if (url_feof(pb)) {
+ if (chunk_code || chunk_size) {
+ av_log(s, AV_LOG_WARNING, "INFO subchunk truncated\n");
+ return AVERROR_INVALIDDATA;
+ }
+ return AVERROR_EOF;
+ }
+ if (chunk_size > end ||
+ end - chunk_size < cur ||
+ chunk_size == UINT_MAX) {
+ avio_seek(pb, -9, SEEK_CUR);
+ chunk_code = avio_rl32(pb);
+ chunk_size = avio_rl32(pb);
+ if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
+ av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
+ chunk_size += (chunk_size & 1);
+
+ if (!chunk_code) {
+ if (chunk_size)
+ avio_skip(pb, chunk_size);
+ else if (pb->eof_reached) {
+ av_log(s, AV_LOG_WARNING, "truncated file\n");
+ return AVERROR_EOF;
+ }
+ continue;
+ }
+
+ value = av_mallocz(chunk_size + 1);
+ if (!value) {
+ av_log(s, AV_LOG_ERROR,
+ "out of memory, unable to read INFO tag\n");
+ return AVERROR(ENOMEM);
+ }
+
+ AV_WL32(key, chunk_code);
+
+ if (avio_read(pb, value, chunk_size) != chunk_size) {
+ av_log(s, AV_LOG_WARNING,
+ "premature end of file while reading INFO tag\n");
+ }
+
+ av_dict_set(&s->metadata, key, value, AV_DICT_DONT_STRDUP_VAL);
+ }
+
+ return 0;
+}
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