From 4b1f4f236b1019e69396676f1eb455bbea0d8e17 Mon Sep 17 00:00:00 2001 From: Juanjo Date: Mon, 15 Apr 2002 02:28:05 +0000 Subject: [PATCH] - Versions defined for libav/libavcodec. - Bug fix in wav muxer for MP2 audio. - ffmpeg/libavcodec version in MPEG-4 user data. Originally committed as revision 400 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libav/avformat.h | 4 ++++ libav/wav.c | 22 ++++++++++++++++------ libavcodec/avcodec.h | 8 +++++++- libavcodec/h263.c | 6 ++++-- libavcodec/mpegaudiodec.c | 16 ++++++++++++++-- libavcodec/utils.c | 1 + 6 files changed, 46 insertions(+), 11 deletions(-) diff --git a/libav/avformat.h b/libav/avformat.h index c0d25f1..0f04e71 100644 --- a/libav/avformat.h +++ b/libav/avformat.h @@ -1,4 +1,8 @@ +#define LIBAV_VERSION_INT 0x000406 +#define LIBAV_VERSION "0.4.6" +#define LIBAV_BUILD 4600 + #include "avcodec.h" #include "avio.h" diff --git a/libav/wav.c b/libav/wav.c index 0023ac6..d92b20c 100644 --- a/libav/wav.c +++ b/libav/wav.c @@ -20,9 +20,8 @@ #include "avi.h" CodecTag codec_wav_tags[] = { - { CODEC_ID_MP2, 0x55 }, - { CODEC_ID_MP3LAME, 0x55 }, { CODEC_ID_MP2, 0x50 }, + { CODEC_ID_MP3LAME, 0x55 }, { CODEC_ID_AC3, 0x2000 }, { CODEC_ID_PCM_S16LE, 0x01 }, { CODEC_ID_PCM_U8, 0x01 }, /* must come after s16le in this list */ @@ -39,7 +38,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) tag = codec_get_tag(codec_wav_tags, enc->codec_id); if (tag == 0) return -1; - put_le16(pb, tag); + put_le16(pb, tag); put_le16(pb, enc->channels); put_le32(pb, enc->sample_rate); if (enc->codec_id == CODEC_ID_PCM_U8 || @@ -52,9 +51,10 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) bps = 16; } - if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3LAME) + if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3LAME) { blkalign = 1; - else + //blkalign = 144 * enc->bit_rate/enc->sample_rate; + } else blkalign = enc->channels*bps >> 3; if (enc->codec_id == CODEC_ID_PCM_U8 || enc->codec_id == CODEC_ID_PCM_S16LE) { @@ -65,13 +65,23 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) put_le32(pb, bytespersec); /* bytes per second */ put_le16(pb, blkalign); /* block align */ put_le16(pb, bps); /* bits per sample */ - if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3LAME) { + if (enc->codec_id == CODEC_ID_MP3LAME) { put_le16(pb, 12); /* wav_extra_size */ put_le16(pb, 1); /* wID */ put_le32(pb, 2); /* fdwFlags */ put_le16(pb, 1152); /* nBlockSize */ put_le16(pb, 1); /* nFramesPerBlock */ put_le16(pb, 1393); /* nCodecDelay */ + } else if (enc->codec_id == CODEC_ID_MP2) { + put_le16(pb, 22); /* wav_extra_size */ + put_le16(pb, 2); /* fwHeadLayer */ + put_le32(pb, enc->bit_rate); /* dwHeadBitrate */ + put_le16(pb, enc->channels == 2 ? 1 : 8); /* fwHeadMode */ + put_le16(pb, 0); /* fwHeadModeExt */ + put_le16(pb, 1); /* wHeadEmphasis */ + put_le16(pb, 16); /* fwHeadFlags */ + put_le32(pb, 0); /* dwPTSLow */ + put_le32(pb, 0); /* dwPTSHigh */ } else put_le16(pb, 0); /* wav_extra_size */ diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index c5209bd..07d6d58 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -3,6 +3,11 @@ #include "common.h" +#define LIBAVCODEC_VERSION_INT 0x000406 +#define LIBAVCODEC_VERSION "0.4.6" +#define LIBAVCODEC_BUILD 4600 +#define LIBAVCODEC_BUILD_STR "4600" + enum CodecID { CODEC_ID_NONE, CODEC_ID_MPEG1VIDEO, @@ -70,7 +75,7 @@ enum Motion_Est_ID { extern int motion_estimation_method; /* ME algos sorted by quality */ -static const int Motion_Est_QTab[] = { -4, -1, -2, 1, 0, -3 }; +static const int Motion_Est_QTab[] = { 1, 4, 3, 6, 5, 2 }; /* encoding support */ /* note not everything is supported yet */ @@ -229,6 +234,7 @@ extern AVCodec mpeg_decoder; extern AVCodec h263i_decoder; extern AVCodec rv10_decoder; extern AVCodec mjpeg_decoder; +extern AVCodec mp2_decoder; extern AVCodec mp3_decoder; /* pcm codecs */ diff --git a/libavcodec/h263.c b/libavcodec/h263.c index 429caf3..f415e00 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -873,7 +873,8 @@ static void put_string(PutBitContext * pbc, char *s) static void mpeg4_encode_vol_header(MpegEncContext * s) { int vo_ver_id=1; //must be 2 if we want GMC or q-pel - + char buf[255]; + if(get_bit_count(&s->pb)!=0) mpeg4_stuffing(&s->pb); put_bits(&s->pb, 16, 0); put_bits(&s->pb, 16, 0x100); /* video obj */ @@ -926,7 +927,8 @@ static void mpeg4_encode_vol_header(MpegEncContext * s) mpeg4_stuffing(&s->pb); put_bits(&s->pb, 16, 0); put_bits(&s->pb, 16, 0x1B2); /* user_data */ - put_string(&s->pb, "ffmpeg"); //FIXME append some version ... + sprintf(buf, "FFmpeg v%s / libavcodec build: %s", FFMPEG_VERSION, LIBAVCODEC_BUILD_STR); + put_string(&s->pb, buf); s->no_rounding = 0; } diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index b423788..f533743 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -2393,9 +2393,9 @@ static int decode_frame(AVCodecContext * avctx, return buf_ptr - buf; } -AVCodec mp3_decoder = +AVCodec mp2_decoder = { - "mpegaudio", + "mp2", CODEC_TYPE_AUDIO, CODEC_ID_MP2, sizeof(MPADecodeContext), @@ -2404,3 +2404,15 @@ AVCodec mp3_decoder = NULL, decode_frame, }; + +AVCodec mp3_decoder = +{ + "mp3", + CODEC_TYPE_AUDIO, + CODEC_ID_MP3LAME, + sizeof(MPADecodeContext), + decode_init, + NULL, + NULL, + decode_frame, +}; diff --git a/libavcodec/utils.c b/libavcodec/utils.c index e749268..a1df408 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -454,6 +454,7 @@ void avcodec_register_all(void) register_avcodec(&h263i_decoder); register_avcodec(&rv10_decoder); register_avcodec(&mjpeg_decoder); + register_avcodec(&mp2_decoder); register_avcodec(&mp3_decoder); #ifdef CONFIG_AC3 register_avcodec(&ac3_decoder); -- 2.7.4