diff options
| -rw-r--r-- | Changelog | 1 | ||||
| -rw-r--r-- | doc/general_contents.texi | 1 | ||||
| -rw-r--r-- | libavcodec/Makefile | 1 | ||||
| -rw-r--r-- | libavcodec/adpcm.c | 19 | ||||
| -rw-r--r-- | libavcodec/allcodecs.c | 1 | ||||
| -rw-r--r-- | libavcodec/codec_desc.c | 7 | ||||
| -rw-r--r-- | libavcodec/codec_id.h | 1 | ||||
| -rw-r--r-- | libavcodec/utils.c | 1 | ||||
| -rw-r--r-- | libavcodec/version.h | 2 |
9 files changed, 33 insertions, 1 deletions
@@ -4,6 +4,7 @@ releases are sorted from youngest to oldest. version <next>: - ADPCM IMA Westwood encoder - Westwood AUD muxer +- ADPCM IMA Acorn Replay decoder version 4.4: diff --git a/doc/general_contents.texi b/doc/general_contents.texi index e01347f8d4..354899ad17 100644 --- a/doc/general_contents.texi +++ b/doc/general_contents.texi @@ -1126,6 +1126,7 @@ following image formats are supported: @item ADPCM Electronic Arts XAS @tab @tab X @item ADPCM G.722 @tab X @tab X @item ADPCM G.726 @tab X @tab X +@item ADPCM IMA Acorn Replay @tab @tab X @item ADPCM IMA AMV @tab X @tab X @tab Used in AMV files @item ADPCM IMA Cunning Developments @tab @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 075b0ad7a3..4fa8d7ab10 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -868,6 +868,7 @@ OBJS-$(CONFIG_ADPCM_G726_DECODER) += g726.o OBJS-$(CONFIG_ADPCM_G726_ENCODER) += g726.o OBJS-$(CONFIG_ADPCM_G726LE_DECODER) += g726.o OBJS-$(CONFIG_ADPCM_G726LE_ENCODER) += g726.o +OBJS-$(CONFIG_ADPCM_IMA_ACORN_DECODER) += adpcm.o adpcm_data.o OBJS-$(CONFIG_ADPCM_IMA_AMV_DECODER) += adpcm.o adpcm_data.o OBJS-$(CONFIG_ADPCM_IMA_ALP_DECODER) += adpcm.o adpcm_data.o OBJS-$(CONFIG_ADPCM_IMA_ALP_ENCODER) += adpcmenc.o adpcm_data.o diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 3da6b734cf..8fe43b5720 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -747,6 +747,7 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb, switch (avctx->codec->id) { case AV_CODEC_ID_ADPCM_4XM: case AV_CODEC_ID_ADPCM_AGM: + case AV_CODEC_ID_ADPCM_IMA_ACORN: case AV_CODEC_ID_ADPCM_IMA_DAT4: case AV_CODEC_ID_ADPCM_IMA_MOFLEX: case AV_CODEC_ID_ADPCM_IMA_ISS: header_size = 4 * ch; break; @@ -1665,6 +1666,23 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, } } break; + case AV_CODEC_ID_ADPCM_IMA_ACORN: + for (channel = 0; channel < avctx->channels; channel++) { + cs = &c->status[channel]; + cs->predictor = sign_extend(bytestream2_get_le16u(&gb), 16); + cs->step_index = bytestream2_get_le16u(&gb) & 0xFF; + if (cs->step_index > 88u){ + av_log(avctx, AV_LOG_ERROR, "ERROR: step_index[%d] = %i\n", + channel, cs->step_index); + return AVERROR_INVALIDDATA; + } + } + for (n = nb_samples >> (1 - st); n > 0; n--) { + int byte = bytestream2_get_byteu(&gb); + *samples++ = adpcm_ima_expand_nibble(&c->status[0], byte & 0x0F, 3); + *samples++ = adpcm_ima_expand_nibble(&c->status[st], byte >> 4, 3); + } + break; case AV_CODEC_ID_ADPCM_IMA_AMV: av_assert0(avctx->channels == 1); @@ -2160,6 +2178,7 @@ ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R1, sample_fmts_s16p, adpcm_ea_r1, ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R2, sample_fmts_s16p, adpcm_ea_r2, "ADPCM Electronic Arts R2"); ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_R3, sample_fmts_s16p, adpcm_ea_r3, "ADPCM Electronic Arts R3"); ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA_XAS, sample_fmts_s16p, adpcm_ea_xas, "ADPCM Electronic Arts XAS"); +ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_ACORN, sample_fmts_s16, adpcm_ima_acorn, "ADPCM IMA Acorn Replay"); ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_AMV, sample_fmts_s16, adpcm_ima_amv, "ADPCM IMA AMV"); ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_APC, sample_fmts_s16, adpcm_ima_apc, "ADPCM IMA CRYO APC"); ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_APM, sample_fmts_s16, adpcm_ima_apm, "ADPCM IMA Ubisoft APM"); diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 73dd3d0695..0b15b59364 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -619,6 +619,7 @@ extern const AVCodec ff_adpcm_g726_encoder; extern const AVCodec ff_adpcm_g726_decoder; extern const AVCodec ff_adpcm_g726le_encoder; extern const AVCodec ff_adpcm_g726le_decoder; +extern const AVCodec ff_adpcm_ima_acorn_decoder; extern const AVCodec ff_adpcm_ima_amv_decoder; extern const AVCodec ff_adpcm_ima_amv_encoder; extern const AVCodec ff_adpcm_ima_alp_decoder; diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c index 17f8a14044..35527dcc37 100644 --- a/libavcodec/codec_desc.c +++ b/libavcodec/codec_desc.c @@ -2462,6 +2462,13 @@ static const AVCodecDescriptor codec_descriptors[] = { .long_name = NULL_IF_CONFIG_SMALL("ADPCM IMA MobiClip MOFLEX"), .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY, }, + { + .id = AV_CODEC_ID_ADPCM_IMA_ACORN, + .type = AVMEDIA_TYPE_AUDIO, + .name = "adpcm_ima_acorn", + .long_name = NULL_IF_CONFIG_SMALL("ADPCM IMA Acorn Replay"), + .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY, + }, /* AMR */ { diff --git a/libavcodec/codec_id.h b/libavcodec/codec_id.h index 3cfa8f9459..83e1dbb4b3 100644 --- a/libavcodec/codec_id.h +++ b/libavcodec/codec_id.h @@ -398,6 +398,7 @@ enum AVCodecID { AV_CODEC_ID_ADPCM_IMA_MTF, AV_CODEC_ID_ADPCM_IMA_CUNNING, AV_CODEC_ID_ADPCM_IMA_MOFLEX, + AV_CODEC_ID_ADPCM_IMA_ACORN, /* AMR */ AV_CODEC_ID_AMR_NB = 0x12000, diff --git a/libavcodec/utils.c b/libavcodec/utils.c index bc5f652dec..c08f9a7da3 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -699,6 +699,7 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, return 0; return frame_bytes * 28; case AV_CODEC_ID_ADPCM_4XM: + case AV_CODEC_ID_ADPCM_IMA_ACORN: case AV_CODEC_ID_ADPCM_IMA_DAT4: case AV_CODEC_ID_ADPCM_IMA_ISS: return (frame_bytes - 4 * ch) * 2 / ch; diff --git a/libavcodec/version.h b/libavcodec/version.h index 8d37666d5e..48165b9ac4 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -28,7 +28,7 @@ #include "libavutil/version.h" #define LIBAVCODEC_VERSION_MAJOR 59 -#define LIBAVCODEC_VERSION_MINOR 0 +#define LIBAVCODEC_VERSION_MINOR 1 #define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ |