X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Flsp.h;h=1230669b1a7465a45e55be6d677a7eb39c01db2a;hb=686959e87e377c0494da636640e36779dd985c30;hp=e3af30d3002299b66614b7d4cad1262213ecdde2;hpb=ffb5a0d533498102c31aa131bc91a4cce868b0a8;p=ffmpeg diff --git a/libavcodec/lsp.h b/libavcodec/lsp.h index e3af30d3002..1230669b1a7 100644 --- a/libavcodec/lsp.h +++ b/libavcodec/lsp.h @@ -30,12 +30,12 @@ */ /** - * \brief ensure a minimum distance between LSFs - * \param[in,out] lsfq LSF to check and adjust - * \param lsfq_min_distance minimum distance between LSFs - * \param lsfq_min minimum allowed LSF value - * \param lsfq_max maximum allowed LSF value - * \param lp_order LP filter order + * @brief ensure a minimum distance between LSFs + * @param[in,out] lsfq LSF to check and adjust + * @param lsfq_min_distance minimum distance between LSFs + * @param lsfq_min minimum allowed LSF value + * @param lsfq_max maximum allowed LSF value + * @param lp_order LP filter order */ void ff_acelp_reorder_lsf(int16_t* lsfq, int lsfq_min_distance, int lsfq_min, int lsfq_max, int lp_order); @@ -53,12 +53,12 @@ void ff_acelp_reorder_lsf(int16_t* lsfq, int lsfq_min_distance, int lsfq_min, in void ff_set_min_dist_lsf(float *lsf, double min_spacing, int size); /** - * \brief Convert LSF to LSP - * \param[out] lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000) - * \param lsf normalized LSF coefficients (0 <= (2.13) < 0x2000 * PI) - * \param lp_order LP filter order + * @brief Convert LSF to LSP + * @param[out] lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000) + * @param lsf normalized LSF coefficients (0 <= (2.13) < 0x2000 * PI) + * @param lp_order LP filter order * - * \remark It is safe to pass the same array into the lsf and lsp parameters. + * @remark It is safe to pass the same array into the lsf and lsp parameters. */ void ff_acelp_lsf2lsp(int16_t *lsp, const int16_t *lsf, int lp_order); @@ -68,10 +68,10 @@ void ff_acelp_lsf2lsp(int16_t *lsp, const int16_t *lsf, int lp_order); void ff_acelp_lsf2lspd(double *lsp, const float *lsf, int lp_order); /** - * \brief LSP to LP conversion (3.2.6 of G.729) - * \param[out] lp decoded LP coefficients (-0x8000 <= (3.12) < 0x8000) - * \param lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000) - * \param lp_half_order LP filter order, divided by 2 + * @brief LSP to LP conversion (3.2.6 of G.729) + * @param[out] lp decoded LP coefficients (-0x8000 <= (3.12) < 0x8000) + * @param lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000) + * @param lp_half_order LP filter order, divided by 2 */ void ff_acelp_lsp2lpc(int16_t* lp, const int16_t* lsp, int lp_half_order); @@ -81,12 +81,12 @@ void ff_acelp_lsp2lpc(int16_t* lp, const int16_t* lsp, int lp_half_order); void ff_amrwb_lsp2lpc(const double *lsp, float *lp, int lp_order); /** - * \brief Interpolate LSP for the first subframe and convert LSP -> LP for both subframes (3.2.5 and 3.2.6 of G.729) - * \param[out] lp_1st decoded LP coefficients for first subframe (-0x8000 <= (3.12) < 0x8000) - * \param[out] lp_2nd decoded LP coefficients for second subframe (-0x8000 <= (3.12) < 0x8000) - * \param lsp_2nd LSP coefficients of the second subframe (-0x8000 <= (0.15) < 0x8000) - * \param lsp_prev LSP coefficients from the second subframe of the previous frame (-0x8000 <= (0.15) < 0x8000) - * \param lp_order LP filter order + * @brief Interpolate LSP for the first subframe and convert LSP -> LP for both subframes (3.2.5 and 3.2.6 of G.729) + * @param[out] lp_1st decoded LP coefficients for first subframe (-0x8000 <= (3.12) < 0x8000) + * @param[out] lp_2nd decoded LP coefficients for second subframe (-0x8000 <= (3.12) < 0x8000) + * @param lsp_2nd LSP coefficients of the second subframe (-0x8000 <= (0.15) < 0x8000) + * @param lsp_prev LSP coefficients from the second subframe of the previous frame (-0x8000 <= (0.15) < 0x8000) + * @param lp_order LP filter order */ void ff_acelp_lp_decode(int16_t* lp_1st, int16_t* lp_2nd, const int16_t* lsp_2nd, const int16_t* lsp_prev, int lp_order);