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avfilter/ebur128: Remove unused functions
Also make a function only used here static. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Andreas Rheinhardt
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a40c158eda
commit
ba874ad904
@ -362,9 +362,6 @@ static void ebur128_filter_##type(FFEBUR128State* st, const type** srcs,
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st->d->v[ci][1] = fabs(st->d->v[ci][1]) < DBL_MIN ? 0.0 : st->d->v[ci][1]; \
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} \
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}
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EBUR128_FILTER(short, -((double)SHRT_MIN))
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EBUR128_FILTER(int, -((double)INT_MIN))
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EBUR128_FILTER(float, 1.0)
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EBUR128_FILTER(double, 1.0)
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static double ebur128_energy_to_loudness(double energy)
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@ -459,8 +456,8 @@ int ff_ebur128_set_channel(FFEBUR128State * st,
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}
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static int ebur128_energy_shortterm(FFEBUR128State * st, double *out);
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#define FF_EBUR128_ADD_FRAMES_PLANAR(type) \
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void ff_ebur128_add_frames_planar_##type(FFEBUR128State* st, const type** srcs, \
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#define EBUR128_ADD_FRAMES_PLANAR(type) \
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static void ebur128_add_frames_planar_##type(FFEBUR128State* st, const type** srcs, \
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size_t frames, int stride) { \
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size_t src_index = 0; \
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while (frames > 0) { \
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@ -502,10 +499,7 @@ void ff_ebur128_add_frames_planar_##type(FFEBUR128State* st, const type** srcs,
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} \
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} \
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}
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FF_EBUR128_ADD_FRAMES_PLANAR(short)
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FF_EBUR128_ADD_FRAMES_PLANAR(int)
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FF_EBUR128_ADD_FRAMES_PLANAR(float)
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FF_EBUR128_ADD_FRAMES_PLANAR(double)
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EBUR128_ADD_FRAMES_PLANAR(double)
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#define FF_EBUR128_ADD_FRAMES(type) \
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void ff_ebur128_add_frames_##type(FFEBUR128State* st, const type* src, \
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size_t frames) { \
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@ -513,11 +507,8 @@ void ff_ebur128_add_frames_##type(FFEBUR128State* st, const type* src, \
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const type **buf = (const type**)st->d->data_ptrs; \
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for (i = 0; i < st->channels; i++) \
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buf[i] = src + i; \
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ff_ebur128_add_frames_planar_##type(st, buf, frames, st->channels); \
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ebur128_add_frames_planar_##type(st, buf, frames, st->channels); \
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}
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FF_EBUR128_ADD_FRAMES(short)
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FF_EBUR128_ADD_FRAMES(int)
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FF_EBUR128_ADD_FRAMES(float)
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FF_EBUR128_ADD_FRAMES(double)
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static int ebur128_calc_relative_threshold(FFEBUR128State **sts, size_t size,
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@ -606,12 +597,6 @@ int ff_ebur128_loudness_global(FFEBUR128State * st, double *out)
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return ebur128_gated_loudness(&st, 1, out);
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}
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int ff_ebur128_loudness_global_multiple(FFEBUR128State ** sts, size_t size,
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double *out)
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{
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return ebur128_gated_loudness(sts, size, out);
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}
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static int ebur128_energy_in_interval(FFEBUR128State * st,
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size_t interval_frames, double *out)
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{
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@ -628,21 +613,6 @@ static int ebur128_energy_shortterm(FFEBUR128State * st, double *out)
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out);
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}
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int ff_ebur128_loudness_momentary(FFEBUR128State * st, double *out)
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{
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double energy;
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int error = ebur128_energy_in_interval(st, st->d->samples_in_100ms * 4,
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&energy);
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if (error) {
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return error;
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} else if (energy <= 0.0) {
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*out = -HUGE_VAL;
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return 0;
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}
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*out = ebur128_energy_to_loudness(energy);
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return 0;
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}
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int ff_ebur128_loudness_shortterm(FFEBUR128State * st, double *out)
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{
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double energy;
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@ -657,22 +627,6 @@ int ff_ebur128_loudness_shortterm(FFEBUR128State * st, double *out)
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return 0;
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}
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int ff_ebur128_loudness_window(FFEBUR128State * st,
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unsigned long window, double *out)
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{
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double energy;
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size_t interval_frames = st->samplerate * window / 1000;
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int error = ebur128_energy_in_interval(st, interval_frames, &energy);
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if (error) {
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return error;
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} else if (energy <= 0.0) {
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*out = -HUGE_VAL;
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return 0;
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}
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*out = ebur128_energy_to_loudness(energy);
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return 0;
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}
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/* EBU - TECH 3342 */
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int ff_ebur128_loudness_range_multiple(FFEBUR128State ** sts, size_t size,
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double *out)
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@ -81,7 +81,7 @@ enum channel {
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* modes that suit your needs, as performance will be better.
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*/
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enum mode {
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/** can call ff_ebur128_loudness_momentary */
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/** can resurrrect and call ff_ebur128_loudness_momentary */
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FF_EBUR128_MODE_M = (1 << 0),
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/** can call ff_ebur128_loudness_shortterm */
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FF_EBUR128_MODE_S = (1 << 1) | FF_EBUR128_MODE_M,
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@ -151,41 +151,9 @@ int ff_ebur128_set_channel(FFEBUR128State * st,
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* @param src array of source frames. Channels must be interleaved.
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* @param frames number of frames. Not number of samples!
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*/
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void ff_ebur128_add_frames_short(FFEBUR128State * st,
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const short *src, size_t frames);
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/** \brief See \ref ebur128_add_frames_short */
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void ff_ebur128_add_frames_int(FFEBUR128State * st,
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const int *src, size_t frames);
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/** \brief See \ref ebur128_add_frames_short */
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void ff_ebur128_add_frames_float(FFEBUR128State * st,
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const float *src, size_t frames);
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/** \brief See \ref ebur128_add_frames_short */
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void ff_ebur128_add_frames_double(FFEBUR128State * st,
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const double *src, size_t frames);
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/** \brief Add frames to be processed.
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*
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* @param st library state.
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* @param srcs array of source frame channel data pointers
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* @param frames number of frames. Not number of samples!
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* @param stride number of samples to skip to for the next sample of the same channel
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*/
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void ff_ebur128_add_frames_planar_short(FFEBUR128State * st,
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const short **srcs,
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size_t frames, int stride);
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/** \brief See \ref ebur128_add_frames_planar_short */
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void ff_ebur128_add_frames_planar_int(FFEBUR128State * st,
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const int **srcs,
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size_t frames, int stride);
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/** \brief See \ref ebur128_add_frames_planar_short */
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void ff_ebur128_add_frames_planar_float(FFEBUR128State * st,
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const float **srcs,
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size_t frames, int stride);
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/** \brief See \ref ebur128_add_frames_planar_short */
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void ff_ebur128_add_frames_planar_double(FFEBUR128State * st,
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const double **srcs,
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size_t frames, int stride);
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/** \brief Get global integrated loudness in LUFS.
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*
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* @param st library state.
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@ -196,28 +164,7 @@ void ff_ebur128_add_frames_planar_double(FFEBUR128State * st,
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* - AVERROR(EINVAL) if mode "FF_EBUR128_MODE_I" has not been set.
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*/
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int ff_ebur128_loudness_global(FFEBUR128State * st, double *out);
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/** \brief Get global integrated loudness in LUFS across multiple instances.
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*
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* @param sts array of library states.
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* @param size length of sts
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* @param out integrated loudness in LUFS. -HUGE_VAL if result is negative
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* infinity.
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* @return
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* - 0 on success.
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* - AVERROR(EINVAL) if mode "FF_EBUR128_MODE_I" has not been set.
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*/
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int ff_ebur128_loudness_global_multiple(FFEBUR128State ** sts,
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size_t size, double *out);
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/** \brief Get momentary loudness (last 400ms) in LUFS.
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*
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* @param st library state.
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* @param out momentary loudness in LUFS. -HUGE_VAL if result is negative
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* infinity.
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* @return
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* - 0 on success.
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*/
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int ff_ebur128_loudness_momentary(FFEBUR128State * st, double *out);
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/** \brief Get short-term loudness (last 3s) in LUFS.
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*
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* @param st library state.
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@ -229,20 +176,6 @@ int ff_ebur128_loudness_momentary(FFEBUR128State * st, double *out);
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*/
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int ff_ebur128_loudness_shortterm(FFEBUR128State * st, double *out);
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/** \brief Get loudness of the specified window in LUFS.
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*
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* window must not be larger than the current window set in st.
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*
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* @param st library state.
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* @param window window in ms to calculate loudness.
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* @param out loudness in LUFS. -HUGE_VAL if result is negative infinity.
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* @return
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* - 0 on success.
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* - AVERROR(EINVAL) if window larger than current window in st.
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*/
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int ff_ebur128_loudness_window(FFEBUR128State * st,
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unsigned long window, double *out);
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/** \brief Get loudness range (LRA) of programme in LU.
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*
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* Calculates loudness range according to EBU 3342.
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