| @@ -13,6 +13,12 @@ libavutil: 2011-04-18 | |||
| API changes, most recent first: | |||
| 2011-05-10 - xxxxxxx - lavc 53.3.0 - avcodec.h | |||
| Deprecate AVLPCType and the following fields in | |||
| AVCodecContext: lpc_coeff_precision, prediction_order_method, | |||
| min_partition_order, max_partition_order, lpc_type, lpc_passes. | |||
| Corresponding FLAC encoder options should be used instead. | |||
| 2011-04-XX - bebe72f - lavu 51.1.0 - avutil.h | |||
| Add AVPictureType enum and av_get_picture_type_char(), deprecate | |||
| FF_*_TYPE defines and av_get_pict_type_char() defined in | |||
| @@ -146,7 +146,7 @@ static void calc_predictor_params(AlacEncodeContext *s, int ch) | |||
| s->min_prediction_order, | |||
| s->max_prediction_order, | |||
| ALAC_MAX_LPC_PRECISION, coefs, shift, | |||
| AV_LPC_TYPE_LEVINSON, 0, | |||
| FF_LPC_TYPE_LEVINSON, 0, | |||
| ORDER_METHOD_EST, ALAC_MAX_LPC_SHIFT, 1); | |||
| s->lpc[ch].lpc_order = opt_order; | |||
| @@ -457,7 +457,7 @@ static av_cold int alac_encode_init(AVCodecContext *avctx) | |||
| s->avctx = avctx; | |||
| ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size, s->max_prediction_order, | |||
| AV_LPC_TYPE_LEVINSON); | |||
| FF_LPC_TYPE_LEVINSON); | |||
| return ret; | |||
| } | |||
| @@ -514,10 +514,11 @@ enum AVChromaLocation{ | |||
| AVCHROMA_LOC_NB , ///< Not part of ABI | |||
| }; | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| /** | |||
| * LPC analysis type | |||
| */ | |||
| enum AVLPCType { | |||
| attribute_deprecated enum AVLPCType { | |||
| AV_LPC_TYPE_DEFAULT = -1, ///< use the codec default LPC type | |||
| AV_LPC_TYPE_NONE = 0, ///< do not use LPC prediction or use all zero coefficients | |||
| AV_LPC_TYPE_FIXED = 1, ///< fixed LPC coefficients | |||
| @@ -525,6 +526,7 @@ enum AVLPCType { | |||
| AV_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization | |||
| AV_LPC_TYPE_NB , ///< Not part of ABI | |||
| }; | |||
| #endif | |||
| enum AVAudioServiceType { | |||
| AV_AUDIO_SERVICE_TYPE_MAIN = 0, | |||
| @@ -2472,42 +2474,53 @@ typedef struct AVCodecContext { | |||
| #define FF_COMPRESSION_DEFAULT -1 | |||
| /** | |||
| * LPC coefficient precision - used by FLAC encoder | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int lpc_coeff_precision; | |||
| int min_prediction_order; | |||
| /** | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int min_prediction_order; | |||
| int max_prediction_order; | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| /** | |||
| * @defgroup flac_opts FLAC options | |||
| * @deprecated Use FLAC encoder private options instead. | |||
| * @{ | |||
| */ | |||
| /** | |||
| * LPC coefficient precision - used by FLAC encoder | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int max_prediction_order; | |||
| attribute_deprecated int lpc_coeff_precision; | |||
| /** | |||
| * search method for selecting prediction order | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int prediction_order_method; | |||
| attribute_deprecated int prediction_order_method; | |||
| /** | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int min_partition_order; | |||
| attribute_deprecated int min_partition_order; | |||
| /** | |||
| * - encoding: Set by user. | |||
| * - decoding: unused | |||
| */ | |||
| int max_partition_order; | |||
| attribute_deprecated int max_partition_order; | |||
| /** | |||
| * @} | |||
| */ | |||
| #endif | |||
| /** | |||
| * GOP timecode frame start number, in non drop frame format | |||
| @@ -2725,19 +2738,21 @@ typedef struct AVCodecContext { | |||
| int log_level_offset; | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| /** | |||
| * Determines which LPC analysis algorithm to use. | |||
| * - encoding: Set by user | |||
| * - decoding: unused | |||
| */ | |||
| enum AVLPCType lpc_type; | |||
| attribute_deprecated enum AVLPCType lpc_type; | |||
| /** | |||
| * Number of passes to use for Cholesky factorization during LPC analysis | |||
| * - encoding: Set by user | |||
| * - decoding: unused | |||
| */ | |||
| int lpc_passes; | |||
| attribute_deprecated int lpc_passes; | |||
| #endif | |||
| /** | |||
| * Number of slices. | |||
| @@ -21,6 +21,7 @@ | |||
| #include "libavutil/crc.h" | |||
| #include "libavutil/md5.h" | |||
| #include "libavutil/opt.h" | |||
| #include "avcodec.h" | |||
| #include "get_bits.h" | |||
| #include "golomb.h" | |||
| @@ -43,7 +44,7 @@ | |||
| typedef struct CompressionOptions { | |||
| int compression_level; | |||
| int block_time_ms; | |||
| enum AVLPCType lpc_type; | |||
| enum FFLPCType lpc_type; | |||
| int lpc_passes; | |||
| int lpc_coeff_precision; | |||
| int min_prediction_order; | |||
| @@ -80,6 +81,7 @@ typedef struct FlacFrame { | |||
| } FlacFrame; | |||
| typedef struct FlacEncodeContext { | |||
| AVClass *class; | |||
| PutBitContext pb; | |||
| int channels; | |||
| int samplerate; | |||
| @@ -156,16 +158,16 @@ static av_cold void dprint_compression_options(FlacEncodeContext *s) | |||
| av_log(avctx, AV_LOG_DEBUG, " compression: %d\n", opt->compression_level); | |||
| switch (opt->lpc_type) { | |||
| case AV_LPC_TYPE_NONE: | |||
| case FF_LPC_TYPE_NONE: | |||
| av_log(avctx, AV_LOG_DEBUG, " lpc type: None\n"); | |||
| break; | |||
| case AV_LPC_TYPE_FIXED: | |||
| case FF_LPC_TYPE_FIXED: | |||
| av_log(avctx, AV_LOG_DEBUG, " lpc type: Fixed pre-defined coefficients\n"); | |||
| break; | |||
| case AV_LPC_TYPE_LEVINSON: | |||
| case FF_LPC_TYPE_LEVINSON: | |||
| av_log(avctx, AV_LOG_DEBUG, " lpc type: Levinson-Durbin recursion with Welch window\n"); | |||
| break; | |||
| case AV_LPC_TYPE_CHOLESKY: | |||
| case FF_LPC_TYPE_CHOLESKY: | |||
| av_log(avctx, AV_LOG_DEBUG, " lpc type: Cholesky factorization, %d pass%s\n", | |||
| opt->lpc_passes, opt->lpc_passes == 1 ? "" : "es"); | |||
| break; | |||
| @@ -266,32 +268,42 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| s->options.block_time_ms = ((int[]){ 27, 27, 27,105,105,105,105,105,105,105,105,105,105})[level]; | |||
| s->options.lpc_type = ((int[]){ AV_LPC_TYPE_FIXED, AV_LPC_TYPE_FIXED, AV_LPC_TYPE_FIXED, | |||
| AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, | |||
| AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, | |||
| AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, AV_LPC_TYPE_LEVINSON, | |||
| AV_LPC_TYPE_LEVINSON})[level]; | |||
| if (s->options.lpc_type == FF_LPC_TYPE_DEFAULT) | |||
| s->options.lpc_type = ((int[]){ FF_LPC_TYPE_FIXED, FF_LPC_TYPE_FIXED, FF_LPC_TYPE_FIXED, | |||
| FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, | |||
| FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, | |||
| FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, FF_LPC_TYPE_LEVINSON, | |||
| FF_LPC_TYPE_LEVINSON})[level]; | |||
| s->options.min_prediction_order = ((int[]){ 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1})[level]; | |||
| s->options.max_prediction_order = ((int[]){ 3, 4, 4, 6, 8, 8, 8, 8, 12, 12, 12, 32, 32})[level]; | |||
| s->options.prediction_order_method = ((int[]){ ORDER_METHOD_EST, ORDER_METHOD_EST, ORDER_METHOD_EST, | |||
| ORDER_METHOD_EST, ORDER_METHOD_EST, ORDER_METHOD_EST, | |||
| ORDER_METHOD_4LEVEL, ORDER_METHOD_LOG, ORDER_METHOD_4LEVEL, | |||
| ORDER_METHOD_LOG, ORDER_METHOD_SEARCH, ORDER_METHOD_LOG, | |||
| ORDER_METHOD_SEARCH})[level]; | |||
| if (s->options.prediction_order_method < 0) | |||
| s->options.prediction_order_method = ((int[]){ ORDER_METHOD_EST, ORDER_METHOD_EST, ORDER_METHOD_EST, | |||
| ORDER_METHOD_EST, ORDER_METHOD_EST, ORDER_METHOD_EST, | |||
| ORDER_METHOD_4LEVEL, ORDER_METHOD_LOG, ORDER_METHOD_4LEVEL, | |||
| ORDER_METHOD_LOG, ORDER_METHOD_SEARCH, ORDER_METHOD_LOG, | |||
| ORDER_METHOD_SEARCH})[level]; | |||
| s->options.min_partition_order = ((int[]){ 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})[level]; | |||
| s->options.max_partition_order = ((int[]){ 2, 2, 3, 3, 3, 8, 8, 8, 8, 8, 8, 8, 8})[level]; | |||
| if (s->options.min_partition_order > s->options.max_partition_order) { | |||
| av_log(avctx, AV_LOG_ERROR, "invalid partition orders: min=%d max=%d\n", | |||
| s->options.min_partition_order, s->options.max_partition_order); | |||
| return AVERROR(EINVAL); | |||
| } | |||
| if (s->options.min_partition_order < 0) | |||
| s->options.min_partition_order = ((int[]){ 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})[level]; | |||
| if (s->options.max_partition_order < 0) | |||
| s->options.max_partition_order = ((int[]){ 2, 2, 3, 3, 3, 8, 8, 8, 8, 8, 8, 8, 8})[level]; | |||
| /* set compression option overrides from AVCodecContext */ | |||
| if (avctx->lpc_type > AV_LPC_TYPE_DEFAULT) { | |||
| if (avctx->lpc_type > AV_LPC_TYPE_CHOLESKY) { | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| if (avctx->lpc_type > FF_LPC_TYPE_DEFAULT) { | |||
| if (avctx->lpc_type > FF_LPC_TYPE_CHOLESKY) { | |||
| av_log(avctx, AV_LOG_ERROR, "unknown lpc type: %d\n", avctx->lpc_type); | |||
| return -1; | |||
| } | |||
| s->options.lpc_type = avctx->lpc_type; | |||
| if (s->options.lpc_type == AV_LPC_TYPE_CHOLESKY) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_CHOLESKY) { | |||
| if (avctx->lpc_passes < 0) { | |||
| // default number of passes for Cholesky | |||
| s->options.lpc_passes = 2; | |||
| @@ -304,11 +316,12 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| } | |||
| } | |||
| } | |||
| #endif | |||
| if (s->options.lpc_type == AV_LPC_TYPE_NONE) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_NONE) { | |||
| s->options.min_prediction_order = 0; | |||
| } else if (avctx->min_prediction_order >= 0) { | |||
| if (s->options.lpc_type == AV_LPC_TYPE_FIXED) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_FIXED) { | |||
| if (avctx->min_prediction_order > MAX_FIXED_ORDER) { | |||
| av_log(avctx, AV_LOG_ERROR, "invalid min prediction order: %d\n", | |||
| avctx->min_prediction_order); | |||
| @@ -322,10 +335,10 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| } | |||
| s->options.min_prediction_order = avctx->min_prediction_order; | |||
| } | |||
| if (s->options.lpc_type == AV_LPC_TYPE_NONE) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_NONE) { | |||
| s->options.max_prediction_order = 0; | |||
| } else if (avctx->max_prediction_order >= 0) { | |||
| if (s->options.lpc_type == AV_LPC_TYPE_FIXED) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_FIXED) { | |||
| if (avctx->max_prediction_order > MAX_FIXED_ORDER) { | |||
| av_log(avctx, AV_LOG_ERROR, "invalid max prediction order: %d\n", | |||
| avctx->max_prediction_order); | |||
| @@ -345,6 +358,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| return -1; | |||
| } | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| if (avctx->prediction_order_method >= 0) { | |||
| if (avctx->prediction_order_method > ORDER_METHOD_LOG) { | |||
| av_log(avctx, AV_LOG_ERROR, "invalid prediction order method: %d\n", | |||
| @@ -375,6 +389,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| s->options.min_partition_order, s->options.max_partition_order); | |||
| return -1; | |||
| } | |||
| #endif | |||
| if (avctx->frame_size > 0) { | |||
| if (avctx->frame_size < FLAC_MIN_BLOCKSIZE || | |||
| @@ -388,6 +403,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| } | |||
| s->max_blocksize = s->avctx->frame_size; | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| /* set LPC precision */ | |||
| if (avctx->lpc_coeff_precision > 0) { | |||
| if (avctx->lpc_coeff_precision > MAX_LPC_PRECISION) { | |||
| @@ -396,10 +412,8 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| return -1; | |||
| } | |||
| s->options.lpc_coeff_precision = avctx->lpc_coeff_precision; | |||
| } else { | |||
| /* default LPC precision */ | |||
| s->options.lpc_coeff_precision = 15; | |||
| } | |||
| #endif | |||
| /* set maximum encoded frame size in verbatim mode */ | |||
| s->max_framesize = ff_flac_get_max_frame_size(s->avctx->frame_size, | |||
| @@ -426,7 +440,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx) | |||
| return AVERROR(ENOMEM); | |||
| ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size, | |||
| s->options.max_prediction_order, AV_LPC_TYPE_LEVINSON); | |||
| s->options.max_prediction_order, FF_LPC_TYPE_LEVINSON); | |||
| dprint_compression_options(s); | |||
| @@ -867,8 +881,8 @@ static int encode_residual_ch(FlacEncodeContext *s, int ch) | |||
| /* FIXED */ | |||
| sub->type = FLAC_SUBFRAME_FIXED; | |||
| if (s->options.lpc_type == AV_LPC_TYPE_NONE || | |||
| s->options.lpc_type == AV_LPC_TYPE_FIXED || n <= max_order) { | |||
| if (s->options.lpc_type == FF_LPC_TYPE_NONE || | |||
| s->options.lpc_type == FF_LPC_TYPE_FIXED || n <= max_order) { | |||
| uint32_t bits[MAX_FIXED_ORDER+1]; | |||
| if (max_order > MAX_FIXED_ORDER) | |||
| max_order = MAX_FIXED_ORDER; | |||
| @@ -1314,6 +1328,33 @@ static av_cold int flac_encode_close(AVCodecContext *avctx) | |||
| return 0; | |||
| } | |||
| #define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | |||
| static const AVOption options[] = { | |||
| { "lpc_coeff_precision", "LPC coefficient precision", offsetof(FlacEncodeContext, options.lpc_coeff_precision), FF_OPT_TYPE_INT, 15, 0, MAX_LPC_PRECISION, FLAGS }, | |||
| { "lpc_type", "LPC algorithm", offsetof(FlacEncodeContext, options.lpc_type), FF_OPT_TYPE_INT, FF_LPC_TYPE_DEFAULT, FF_LPC_TYPE_DEFAULT, FF_LPC_TYPE_NB-1, FLAGS, "lpc_type" }, | |||
| { "none", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_NONE, INT_MIN, INT_MAX, FLAGS, "lpc_type" }, | |||
| { "fixed", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_FIXED, INT_MIN, INT_MAX, FLAGS, "lpc_type" }, | |||
| { "levinson", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_LEVINSON, INT_MIN, INT_MAX, FLAGS, "lpc_type" }, | |||
| { "cholesky", NULL, 0, FF_OPT_TYPE_CONST, FF_LPC_TYPE_CHOLESKY, INT_MIN, INT_MAX, FLAGS, "lpc_type" }, | |||
| { "lpc_passes", "Number of passes to use for Cholesky factorization during LPC analysis", offsetof(FlacEncodeContext, options.lpc_passes), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, FLAGS }, | |||
| { "min_partition_order", NULL, offsetof(FlacEncodeContext, options.min_partition_order), FF_OPT_TYPE_INT, -1, -1, MAX_PARTITION_ORDER, FLAGS }, | |||
| { "max_partition_order", NULL, offsetof(FlacEncodeContext, options.max_partition_order), FF_OPT_TYPE_INT, -1, -1, MAX_PARTITION_ORDER, FLAGS }, | |||
| { "prediction_order_method", "Search method for selecting prediction order", offsetof(FlacEncodeContext, options.prediction_order_method), FF_OPT_TYPE_INT, -1, -1, ORDER_METHOD_LOG, FLAGS, "predm" }, | |||
| { "estimation", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_EST, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { "2level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_2LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { "4level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_4LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { "8level", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_8LEVEL, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { "search", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_SEARCH, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { "log", NULL, 0, FF_OPT_TYPE_CONST, ORDER_METHOD_LOG, INT_MIN, INT_MAX, FLAGS, "predm" }, | |||
| { NULL }, | |||
| }; | |||
| static const AVClass flac_encoder_class = { | |||
| "FLAC encoder", | |||
| av_default_item_name, | |||
| options, | |||
| LIBAVUTIL_VERSION_INT, | |||
| }; | |||
| AVCodec ff_flac_encoder = { | |||
| "flac", | |||
| @@ -1327,4 +1368,5 @@ AVCodec ff_flac_encoder = { | |||
| .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY, | |||
| .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE}, | |||
| .long_name = NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"), | |||
| .priv_class = &flac_encoder_class, | |||
| }; | |||
| @@ -158,7 +158,7 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| const int32_t *samples, int blocksize, int min_order, | |||
| int max_order, int precision, | |||
| int32_t coefs[][MAX_LPC_ORDER], int *shift, | |||
| enum AVLPCType lpc_type, int lpc_passes, | |||
| enum FFLPCType lpc_type, int lpc_passes, | |||
| int omethod, int max_shift, int zero_shift) | |||
| { | |||
| double autoc[MAX_LPC_ORDER+1]; | |||
| @@ -168,7 +168,7 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| int opt_order; | |||
| assert(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER && | |||
| lpc_type > AV_LPC_TYPE_FIXED); | |||
| lpc_type > FF_LPC_TYPE_FIXED); | |||
| /* reinit LPC context if parameters have changed */ | |||
| if (blocksize != s->blocksize || max_order != s->max_order || | |||
| @@ -177,7 +177,7 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| ff_lpc_init(s, blocksize, max_order, lpc_type); | |||
| } | |||
| if (lpc_type == AV_LPC_TYPE_LEVINSON) { | |||
| if (lpc_type == FF_LPC_TYPE_LEVINSON) { | |||
| double *windowed_samples = s->windowed_samples + max_order; | |||
| s->lpc_apply_welch_window(samples, blocksize, windowed_samples); | |||
| @@ -188,7 +188,7 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| for(i=0; i<max_order; i++) | |||
| ref[i] = fabs(lpc[i][i]); | |||
| } else if (lpc_type == AV_LPC_TYPE_CHOLESKY) { | |||
| } else if (lpc_type == FF_LPC_TYPE_CHOLESKY) { | |||
| LLSModel m[2]; | |||
| double var[MAX_LPC_ORDER+1], av_uninit(weight); | |||
| @@ -241,13 +241,13 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| } | |||
| av_cold int ff_lpc_init(LPCContext *s, int blocksize, int max_order, | |||
| enum AVLPCType lpc_type) | |||
| enum FFLPCType lpc_type) | |||
| { | |||
| s->blocksize = blocksize; | |||
| s->max_order = max_order; | |||
| s->lpc_type = lpc_type; | |||
| if (lpc_type == AV_LPC_TYPE_LEVINSON) { | |||
| if (lpc_type == FF_LPC_TYPE_LEVINSON) { | |||
| s->windowed_samples = av_mallocz((blocksize + max_order + 2) * | |||
| sizeof(*s->windowed_samples)); | |||
| if (!s->windowed_samples) | |||
| @@ -35,11 +35,22 @@ | |||
| #define MIN_LPC_ORDER 1 | |||
| #define MAX_LPC_ORDER 32 | |||
| /** | |||
| * LPC analysis type | |||
| */ | |||
| enum FFLPCType { | |||
| FF_LPC_TYPE_DEFAULT = -1, ///< use the codec default LPC type | |||
| FF_LPC_TYPE_NONE = 0, ///< do not use LPC prediction or use all zero coefficients | |||
| FF_LPC_TYPE_FIXED = 1, ///< fixed LPC coefficients | |||
| FF_LPC_TYPE_LEVINSON = 2, ///< Levinson-Durbin recursion | |||
| FF_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization | |||
| FF_LPC_TYPE_NB , ///< Not part of ABI | |||
| }; | |||
| typedef struct LPCContext { | |||
| int blocksize; | |||
| int max_order; | |||
| enum AVLPCType lpc_type; | |||
| enum FFLPCType lpc_type; | |||
| double *windowed_samples; | |||
| /** | |||
| @@ -77,14 +88,14 @@ int ff_lpc_calc_coefs(LPCContext *s, | |||
| const int32_t *samples, int blocksize, int min_order, | |||
| int max_order, int precision, | |||
| int32_t coefs[][MAX_LPC_ORDER], int *shift, | |||
| enum AVLPCType lpc_type, int lpc_passes, | |||
| enum FFLPCType lpc_type, int lpc_passes, | |||
| int omethod, int max_shift, int zero_shift); | |||
| /** | |||
| * Initialize LPCContext. | |||
| */ | |||
| int ff_lpc_init(LPCContext *s, int blocksize, int max_order, | |||
| enum AVLPCType lpc_type); | |||
| enum FFLPCType lpc_type); | |||
| void ff_lpc_init_x86(LPCContext *s); | |||
| /** | |||
| @@ -380,12 +380,14 @@ static const AVOption options[]={ | |||
| {"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"}, | |||
| {"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E}, | |||
| {"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E}, | |||
| {"lpc_coeff_precision", "LPC coefficient precision (FLAC)", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E}, | |||
| {"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"prediction_order_method", "search method for selecting prediction order", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| {"lpc_coeff_precision", "deprecated, use flac-specific options", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E}, | |||
| {"prediction_order_method", "deprecated, use flac-specific options", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"min_partition_order", "deprecated, use flac-specific options", OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"max_partition_order", "deprecated, use flac-specific options", OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| #endif | |||
| {"timecode_frame_start", "GOP timecode frame start number, in non drop frame format", OFFSET(timecode_frame_start), FF_OPT_TYPE_INT64, 0, 0, INT64_MAX, V|E}, | |||
| {"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"}, | |||
| {"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NON_LINEAR_QUANT, INT_MIN, INT_MAX, V|E, "flags2"}, | |||
| @@ -416,12 +418,14 @@ static const AVOption options[]={ | |||
| {"intra_refresh", "use periodic insertion of intra blocks instead of keyframes", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_REFRESH, INT_MIN, INT_MAX, V|E, "flags2"}, | |||
| {"crf_max", "in crf mode, prevents vbv from lowering quality beyond this point", OFFSET(crf_max), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 51, V|E}, | |||
| {"log_level_offset", "set the log level offset", OFFSET(log_level_offset), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX }, | |||
| {"lpc_type", "specify LPC algorithm", OFFSET(lpc_type), FF_OPT_TYPE_INT, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_NB-1, A|E}, | |||
| #if FF_API_FLAC_GLOBAL_OPTS | |||
| {"lpc_type", "deprecated, use flac-specific options", OFFSET(lpc_type), FF_OPT_TYPE_INT, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_NB-1, A|E}, | |||
| {"none", NULL, 0, FF_OPT_TYPE_CONST, AV_LPC_TYPE_NONE, INT_MIN, INT_MAX, A|E, "lpc_type"}, | |||
| {"fixed", NULL, 0, FF_OPT_TYPE_CONST, AV_LPC_TYPE_FIXED, INT_MIN, INT_MAX, A|E, "lpc_type"}, | |||
| {"levinson", NULL, 0, FF_OPT_TYPE_CONST, AV_LPC_TYPE_LEVINSON, INT_MIN, INT_MAX, A|E, "lpc_type"}, | |||
| {"cholesky", NULL, 0, FF_OPT_TYPE_CONST, AV_LPC_TYPE_CHOLESKY, INT_MIN, INT_MAX, A|E, "lpc_type"}, | |||
| {"lpc_passes", "number of passes to use for Cholesky factorization during LPC analysis", OFFSET(lpc_passes), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| {"lpc_passes", "deprecated, use flac-specific options", OFFSET(lpc_passes), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E}, | |||
| #endif | |||
| {"slices", "number of slices, used in parallelized decoding", OFFSET(slices), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|E}, | |||
| {"thread_type", "select multithreading type", OFFSET(thread_type), FF_OPT_TYPE_INT, FF_THREAD_SLICE|FF_THREAD_FRAME, 0, INT_MAX, V|E|D, "thread_type"}, | |||
| {"slice", NULL, 0, FF_OPT_TYPE_CONST, FF_THREAD_SLICE, INT_MIN, INT_MAX, V|E|D, "thread_type"}, | |||
| @@ -54,7 +54,7 @@ static av_cold int ra144_encode_init(AVCodecContext * avctx) | |||
| ractx->lpc_coef[1] = ractx->lpc_tables[1]; | |||
| ractx->avctx = avctx; | |||
| ret = ff_lpc_init(&ractx->lpc_ctx, avctx->frame_size, LPC_ORDER, | |||
| AV_LPC_TYPE_LEVINSON); | |||
| FF_LPC_TYPE_LEVINSON); | |||
| return ret; | |||
| } | |||
| @@ -461,7 +461,7 @@ static int ra144_encode_frame(AVCodecContext *avctx, uint8_t *frame, | |||
| 32)]; | |||
| ff_lpc_calc_coefs(&ractx->lpc_ctx, lpc_data, NBLOCKS * BLOCKSIZE, LPC_ORDER, | |||
| LPC_ORDER, 16, lpc_coefs, shift, AV_LPC_TYPE_LEVINSON, | |||
| LPC_ORDER, 16, lpc_coefs, shift, FF_LPC_TYPE_LEVINSON, | |||
| 0, ORDER_METHOD_EST, 12, 0); | |||
| for (i = 0; i < LPC_ORDER; i++) | |||
| block_coefs[NBLOCKS - 1][i] = -(lpc_coefs[LPC_ORDER - 1][i] << | |||
| @@ -21,7 +21,7 @@ | |||
| #define AVCODEC_VERSION_H | |||
| #define LIBAVCODEC_VERSION_MAJOR 53 | |||
| #define LIBAVCODEC_VERSION_MINOR 2 | |||
| #define LIBAVCODEC_VERSION_MINOR 3 | |||
| #define LIBAVCODEC_VERSION_MICRO 0 | |||
| #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ | |||
| @@ -62,5 +62,8 @@ | |||
| #ifndef FF_API_OLD_FF_PICT_TYPES | |||
| #define FF_API_OLD_FF_PICT_TYPES (LIBAVCODEC_VERSION_MAJOR < 54) | |||
| #endif | |||
| #ifndef FF_API_FLAC_GLOBAL_OPTS | |||
| #define FF_API_FLAC_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54) | |||
| #endif | |||
| #endif /* AVCODEC_VERSION_H */ | |||