November 2009 - FFmpeg-soc - lists.ffmpeg.org

[PATCH] aacsbr: nrLim is the last element in limTable not the number of elements
by Alex Converse 18 Nov '09

18 Nov '09

I know it's counter intuitive but see "Figure 4.41 Calculation of fTableLim if bs_limiter_bands > 0"

2 2

[soc]: r5449 - aac-sbr/aacsbr.c
by alexc 18 Nov '09

18 Nov '09

Author: alexc Date: Wed Nov 18 13:08:22 2009 New Revision: 5449 Log: nrLim is the last element in limTable not the number of elements. Modified: aac-sbr/aacsbr.c Modified: aac-sbr/aacsbr.c ============================================================================== --- aac-sbr/aacsbr.c Wed Nov 18 13:08:19 2009 (r5448) +++ aac-sbr/aacsbr.c Wed Nov 18 13:08:22 2009 (r5449) @@ -390,18 +390,18 @@ static int sbr_hf_calc_npatches(AACConte return 0; } -static inline void remove_table_element(void *table, uint8_t *nel, int el_size, +static inline void remove_table_element(void *table, uint8_t *last_el, int el_size, int el) { - memmove((uint8_t *)table + el_size*el, (uint8_t *)table + el_size*(el + 1), (*nel - el - 1)*el_size); - (*nel)--; + memmove((uint8_t *)table + el_size*el, (uint8_t *)table + el_size*(el + 1), (*last_el - el)*el_size); + (*last_el)--; } -static inline int in_table(void *table, int nel, int el_size, void *needle) +static inline int in_table(void *table, int last_el, int el_size, void *needle) { int i; uint8_t *table_ptr = table; // avoids a warning with void * ptr arith - for (i = 0; i < nel; i++, table_ptr += el_size) + for (i = 0; i <= last_el; i++, table_ptr += el_size) if (!memcmp(table_ptr, needle, el_size)) return 1; return 0;

1 0

[soc]: r5448 - aac-sbr/aacsbr.c
by alexc 18 Nov '09

18 Nov '09

Author: alexc Date: Wed Nov 18 13:08:19 2009 New Revision: 5448 Log: Use sbr_header default values when none are provided. Modified: aac-sbr/aacsbr.c Modified: aac-sbr/aacsbr.c ============================================================================== --- aac-sbr/aacsbr.c Wed Nov 18 13:08:18 2009 (r5447) +++ aac-sbr/aacsbr.c Wed Nov 18 13:08:19 2009 (r5448) @@ -96,6 +96,10 @@ static unsigned int sbr_header(SpectralB sbr->spectrum_params[1].bs_freq_scale = get_bits(gb, 2); sbr->spectrum_params[1].bs_alter_scale = get_bits1(gb); sbr->spectrum_params[1].bs_noise_bands = get_bits(gb, 2); + } else { + sbr->spectrum_params[1].bs_freq_scale = 2; + sbr->spectrum_params[1].bs_alter_scale = 1; + sbr->spectrum_params[1].bs_noise_bands = 2; } // Check if spectrum parameters changed @@ -108,6 +112,11 @@ static unsigned int sbr_header(SpectralB sbr->bs_limiter_gains = get_bits(gb, 2); sbr->bs_interpol_freq = get_bits1(gb); sbr->bs_smoothing_mode = get_bits1(gb); + } else { + sbr->bs_limiter_bands = 2; + sbr->bs_limiter_gains = 2; + sbr->bs_interpol_freq = 1; + sbr->bs_smoothing_mode = 1; } return get_bits_count(gb) - cnt;

1 0

[soc]: r5447 - aac-sbr/aacsbr.c
by alexc 18 Nov '09

18 Nov '09

Author: alexc Date: Wed Nov 18 13:08:18 2009 New Revision: 5447 Log: Move ilb/ulb calculations to where their dependencies are present Modified: aac-sbr/aacsbr.c Modified: aac-sbr/aacsbr.c ============================================================================== --- aac-sbr/aacsbr.c Mon Nov 16 09:15:48 2009 (r5446) +++ aac-sbr/aacsbr.c Wed Nov 18 13:08:18 2009 (r5447) @@ -1259,12 +1259,12 @@ static void sbr_env_estimate(float **e_c int ch) { int i, l, m; - int ilb = sbr->t_env[ch][l] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; - int iub = sbr->t_env[ch][l + 1] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; if (sbr->bs_interpol_freq) { for (l = 0; l < ch_data->bs_num_env[1]; l++) { const int env_size = (sbr->t_env[ch][l + 1] - sbr->t_env[ch][l]) << 1; + int ilb = sbr->t_env[ch][l] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; + int iub = sbr->t_env[ch][l + 1] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; for (m = 0; m < sbr->m; m++) { float sum = 0.0f; @@ -1281,6 +1281,8 @@ static void sbr_env_estimate(float **e_c for (l = 0; l < ch_data->bs_num_env[1]; l++) { const int env_size = (sbr->t_env[ch][l + 1] - sbr->t_env[ch][l]) << 1; + int ilb = sbr->t_env[ch][l] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; + int iub = sbr->t_env[ch][l + 1] * 2 + ENVELOPE_ADJUSTMENT_OFFSET; const uint16_t *table = ch_data->bs_freq_res[l + 1] ? sbr->f_tablehigh : sbr->f_tablelow; for (p = 0; p < sbr->n[ch_data->bs_freq_res[l + 1]]; p++) {

1 0

why it is not possible to overlay with negative 'y' position?
by Oleksandr Bondar 18 Nov '09

18 Nov '09

Hello, Why it is not possible to use overlay filter with negative y coordinates? It works when x is negative but not y. How this can be fixed? stack trace: ffmpeg -i in3.flv -vfilters "[in]setpts=PTS-STARTPTS,[T1]overlay=-20+13*atan(N/40):-20+14*atan(N)[out];movie=0:flv:in2.flv,scale=487:365,setpts=PTS-STARTPTS[T1]" out.avi FFmpeg version SVN-r20390, Copyright (c) 2000-2009 Fabrice Bellard, et al. built on Nov 3 2009 21:51:11 with gcc 4.4.1 configuration: --enable-libmp3lame --enable-libvorbis --disable-mmx --enable-shared --enable-nonfree --enable-libtheora --enable-avfilter-lavf --enable-avfilter libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.37. 1 / 52.37. 1 libavformat 52.39. 2 / 52.39. 2 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1. 6. 0 / 1. 6. 0 libswscale 0. 7. 1 / 0. 7. 1 Seems stream 0 codec frame rate differs from container frame rate: 60.00 (60/1) -> 29.97 (30000/1001) Input #0, flv, from 'in3.flv': Duration: 00:00:30.80, start: 0.000000, bitrate: 414 kb/s Stream #0.0: Video: h264, yuv420p, 480x360 [PAR 1:1 DAR 4:3], 414 kb/s, 29.97 tbr, 1k tbn, 60 tbc Stream #0.1: Audio: aac, 44100 Hz, stereo, s16 Metadata duration : 31 starttime : 0 totalduration : 31 width : 480 height : 360 videodatarate : 404 audiodatarate : 107 totaldatarate : 513 framerate : 30 bytelength : 2009597 canseekontime : true sourcedata : B4A7D0AC6 purl : pmsg : Output #0, avi, to 'out.avi': Stream #0.0: Video: mpeg4, yuv420p, 480x360 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc Stream #0.1: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding *** glibc detected *** ffmpeg: munmap_chunk(): invalid pointer: 0x00000000009e0190 *** ======= Backtrace: ========= /lib/libc.so.6[0x7fefb158ddd6] /usr/local/lib/libavfilter.so.1(avfilter_default_free_video_buffer+0xc)[0x7fefb2f1bb3c] /usr/local/lib/libavfilter.so.1(avfilter_unref_pic+0x1a)[0x7fefb2f1a91a] ffmpeg[0x40893d] ffmpeg[0x40d094] ffmpeg[0x40ddb1] /lib/libc.so.6(__libc_start_main+0xfd)[0x7fefb1536abd] ffmpeg[0x404859] ======= Memory map: ======== 00400000-00415000 r-xp 00000000 08:01 67199 /usr/local/bin/ffmpeg 00614000-00616000 r--p 00014000 08:01 67199 /usr/local/bin/ffmpeg 00616000-00617000 rw-p 00016000 08:01 67199 /usr/local/bin/ffmpeg 00617000-0061c000 rw-p 00000000 00:00 0 006d2000-00a93000 rw-p 00000000 00:00 0 [heap] 7fefb03df000-7fefb03f5000 r-xp 00000000 08:01 839 ....

1 0

why it is not possible to overlay with negative y position?
by Oleksandr Bondar 16 Nov '09

16 Nov '09

Hello, Why it is not possible to use overlay filter with negative y coordinates? It works when x is negative but not y. How this can be fixed? stack trace: ffmpeg -i in3.flv -vfilters "[in]setpts=PTS-STARTPTS,[T1]overlay=-20+13*atan(N/40):-20+14*atan(N)[out];movie=0:flv:in2.flv,scale=487:365,setpts=PTS-STARTPTS[T1]" out.avi FFmpeg version SVN-r20390, Copyright (c) 2000-2009 Fabrice Bellard, et al. built on Nov 3 2009 21:51:11 with gcc 4.4.1 configuration: --enable-libmp3lame --enable-libvorbis --disable-mmx --enable-shared --enable-nonfree --enable-libtheora --enable-avfilter-lavf --enable-avfilter libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.37. 1 / 52.37. 1 libavformat 52.39. 2 / 52.39. 2 libavdevice 52. 2. 0 / 52. 2. 0 libavfilter 1. 6. 0 / 1. 6. 0 libswscale 0. 7. 1 / 0. 7. 1 Seems stream 0 codec frame rate differs from container frame rate: 60.00 (60/1) -> 29.97 (30000/1001) Input #0, flv, from 'in3.flv': Duration: 00:00:30.80, start: 0.000000, bitrate: 414 kb/s Stream #0.0: Video: h264, yuv420p, 480x360 [PAR 1:1 DAR 4:3], 414 kb/s, 29.97 tbr, 1k tbn, 60 tbc Stream #0.1: Audio: aac, 44100 Hz, stereo, s16 Metadata duration : 31 starttime : 0 totalduration : 31 width : 480 height : 360 videodatarate : 404 audiodatarate : 107 totaldatarate : 513 framerate : 30 bytelength : 2009597 canseekontime : true sourcedata : B4A7D0AC6 purl : pmsg : File 'out.avi' already exists. Overwrite ? [y/N] y x:-20 y:-20 Output #0, avi, to 'out.avi': Stream #0.0: Video: mpeg4, yuv420p, 480x360 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc Stream #0.1: Audio: mp2, 44100 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding *** glibc detected *** ffmpeg: munmap_chunk(): invalid pointer: 0x00000000009e0190 *** ======= Backtrace: ========= /lib/libc.so.6[0x7fefb158ddd6] /usr/local/lib/libavfilter.so.1(avfilter_default_free_video_buffer+0xc)[0x7fefb2f1bb3c] /usr/local/lib/libavfilter.so.1(avfilter_unref_pic+0x1a)[0x7fefb2f1a91a] ffmpeg[0x40893d] ffmpeg[0x40d094] ffmpeg[0x40ddb1] /lib/libc.so.6(__libc_start_main+0xfd)[0x7fefb1536abd] ffmpeg[0x404859] ======= Memory map: ======== 00400000-00415000 r-xp 00000000 08:01 67199 /usr/local/bin/ffmpeg 00614000-00616000 r--p 00014000 08:01 67199 /usr/local/bin/ffmpeg 00616000-00617000 rw-p 00016000 08:01 67199 /usr/local/bin/ffmpeg 00617000-0061c000 rw-p 00000000 00:00 0 006d2000-00a93000 rw-p 00000000 00:00 0 [heap] 7fefb03df000-7fefb03f5000 r-xp 00000000 08:01 839 /lib/libgcc_s.so.1 7fefb03f5000-7fefb05f4000 ---p 00016000 08:01 839 /lib/libgcc_s.so.1 7fefb05f4000-7fefb05f5000 r--p 00015000 08:01 839 /lib/libgcc_s.so.1 7fefb05f5000-7fefb05f6000 rw-p 00016000 08:01 839 /lib/libgcc_s.so.1 7fefb05f6000-7fefb0619000 r-xp 00000000 08:01 63982 /usr/local/lib/libvorbis.so.0.4.0 7fefb0619000-7fefb0818000 ---p 00023000 08:01 63982 /usr/local/lib/libvorbis.so.0.4.0 7fefb0818000-7fefb0819000 r--p 00022000 08:01 63982 /usr/local/lib/libvorbis.so.0.4.0 7fefb0819000-7fefb0827000 rw-p 00023000 08:01 63982 /usr/local/lib/libvorbis.so.0.4.0 7fefb0827000-7fefb0842000 r-xp 00000000 08:01 64005 /usr/local/lib/libvorbisenc.so.2.0.3 7fefb0842000-7fefb0a41000 ---p 0001b000 08:01 64005 /usr/local/lib/libvorbisenc.so.2.0.3 7fefb0a41000-7fefb0a42000 r--p 0001a000 08:01 64005 /usr/local/lib/libvorbisenc.so.2.0.3 7fefb0a42000-7fefb0c01000 rw-p 0001b000 08:01 64005 /usr/local/lib/libvorbisenc.so.2.0.3 7fefb0c01000-7fefb0c06000 r-xp 00000000 08:01 63728 /usr/local/lib/libogg.so.0.5.3 7fefb0c06000-7fefb0e05000 ---p 00005000 08:01 63728 /usr/local/lib/libogg.so.0.5.3 7fefb0e05000-7fefb0e06000 r--p 00004000 08:01 63728 /usr/local/lib/libogg.so.0.5.3 7fefb0e06000-7fefb0e07000 rw-p 00005000 08:01 63728 /usr/local/lib/libogg.so.0.5.3 7fefb0e07000-7fefb0e56000 r-xp 00000000 08:01 66128 /usr/local/lib/libtheora.so.0.3.3 7fefb0e56000-7fefb1056000 ---p 0004f000 08:01 66128 /usr/local/lib/libtheora.so.0.3.3 7fefb1056000-7fefb1057000 r--p 0004f000 08:01 66128 /usr/local/lib/libtheora.so.0.3.3 7fefb1057000-7fefb1058000 rw-p 00050000 08:01 66128 /usr/local/lib/libtheora.so.0.3.3 7fefb1058000-7fefb10cf000 r-xp 00000000 08:01 63677 /usr/local/lib/libmp3lame.so.0.0.0 7fefb10cf000-7fefb12ce000 ---p 00077000 08:01 63677 /usr/local/lib/libmp3lame.so.0.0.0 7fefb12ce000-7fefb12cf000 r--p 00076000 08:01 63677 /usr/local/lib/libmp3lame.so.0.0.0 7fefb12cf000-7fefb12d0000 rw-p 00077000 08:01 63677 /usr/local/lib/libmp3lame.so.0.0.0 7fefb12d0000-7fefb1301000 rw-p 00000000 00:00 0 7fefb1301000-7fefb1317000 r-xp 00000000 08:01 3918 /lib/libz.so.1.2.3.3 7fefb1317000-7fefb1516000 ---p 00016000 08:01 3918 /lib/libz.so.1.2.3.3 7fefb1516000-7fefb1517000 r--p 00015000 08:01 3918 /lib/libz.so.1.2.3.3 7fefb1517000-7fefb1518000 rw-p 00016000 08:01 3918 /lib/libz.so.1.2.3.3 7fefb1518000-7fefb167e000 r-xp 00000000 08:01 995 /lib/libc-2.10.1.so 7fefb167e000-7fefb187d000 ---p 00166000 08:01 995 /lib/libc-2.10.1.so 7fefb187d000-7fefb1881000 r--p 00165000 08:01 995 /lib/libc-2.10.1.so 7fefb1881000-7fefb1882000 rw-p 00169000 08:01 995 /lib/libc-2.10.1.so 7fefb1882000-7fefb1887000 rw-p 00000000 00:00 0 7fefb1887000-7fefb1909000 r-xp 00000000 08:01 999 /lib/libm-2.10.1.so 7fefb1909000-7fefb1b09000 ---p 00082000 08:01 999 /lib/libm-2.10.1.so 7fefb1b09000-7fefb1b0a000 r--p 00082000 08:01 999 /lib/libm-2.10.1.so 7fefb1b0a000-7fefb1b0b000 rw-p 00083000 08:01 999 /lib/libm-2.10.1.so 7fefb1b0b000-7fefb1b2a000 r-xp 00000000 08:01 67276 /usr/local/lib/libswscale.so.0.7.1 7fefb1b2a000-7fefb1d2a000 ---p 0001f000 08:01 67276 /usr/local/lib/libswscale.so.0.7.1 7fefb1d2a000-7fefb1d2b000 r--p 0001f000 08:01 67276 /usr/local/lib/libswscale.so.0.7.1 7fefb1d2b000-7fefb1d2c000 rw-p 00020000 08:01 67276 /usr/local/lib/libswscale.so.0.7.1 7fefb1d2c000-7fefb1d38000 r-xp 00000000 08:01 67278 /usr/local/lib/libavutil.so.50.3.0 7fefb1d38000-7fefb1f37000 ---p 0000c000 08:01 67278 /usr/local/lib/libavutil.so.50.3.0 7fefb1f37000-7fefb1f38000 r--p 0000b000 08:01 67278 /usr/local/lib/libavutil.so.50.3.0 7fefb1f38000-7fefb1f39000 rw-p 0000c000 08:01 67278 /usr/local/lib/libavutil.so.50.3.0 7fefb1f39000-7fefb1f3c000 rw-p 00000000 00:00 0 7fefb1f3c000-7fefb23f6000 r-xp 00000000 08:01 67280 /usr/local/lib/libavcodec.so.52.37.1 7fefb23f6000-7fefb25f6000 ---p 004ba000 08:01 67280 /usr/local/lib/libavcodec.so.52.37.1 7fefb25f6000-7fefb2601000 r--p 004ba000 08:01 67280 /usr/local/lib/libavcodec.so.52.37.1 7fefb2601000-7fefb260e000 rw-p 004c5000 08:01 67280 /usr/local/lib/libavcodec.so.52.37.1 7fefb260e000-7fefb2a57000 rw-p 00000000 00:00 0 7fefb2a57000-7fefb2b02000 r-xp 00000000 08:01 67282 /usr/local/lib/libavformat.so.52.39.2 7fefb2b02000-7fefb2d02000 ---p 000ab000 08:01 67282 /usr/local/lib/libavformat.so.52.39.2 7fefb2d02000-7fefb2d06000 r--p 000ab000 08:01 67282 /usr/local/lib/libavformat.so.52.39.2 7fefb2d06000-7fefb2d0f000 rw-p 000af000 08:01 67282 /usr/local/lib/libavformat.so.52.39.2Aborted -- Best, Oleksandr www.vertaline.com www.vertaline.com.ua

1 0

AACSBR review: function declarations
by Alex Converse 16 Nov '09

16 Nov '09

>// Synthesis QMF Bank (14496-3 sp04 p206) >// Downsampled Synthesis QMF Bank (14496-3 sp04 p206) >static void sbr_qmf_synthesis(float *out, const float **X, > const unsigned int div) >// High Frequency Generation (14496-3 sp04 p214+) > >// Inverse Filtering (14496-3 sp04 p214) >static void sbr_hf_inverse_filter(float **alpha0, float **alpha1, > const float ***x_low, int k0) >// High Frequency Generator (14496-3 sp04 p215) >static int sbr_hf_gen(AACContext *ac, SpectralBandReplication *sbr, > float **x_high[2], float **x_low[2], float *alpha0[2], > float *alpha1[2], float **bw_array, uint8_t *t_env, > int bs_num_env) >// Estimation of current envelope (14496-3 sp04 p218) >static void sbr_env_estimate(float **e_curr, float ***x_high, > SpectralBandReplication *sbr, SBRData *ch_data, > int ch) >// Assembling HF Signals (14496-3 sp04 p220) >static void sbr_hf_assemble(float **y[2], float **x_high[2], > SpectralBandReplication *sbr, SBRData *ch_data, > int ch, int l_a[2]) All these functions need better sizing info on the matrices being passed in. They all seem to be declared "float M[DIM1][DIM2][DIM3];" My estimates are x_low[32][40][2], x_high[64][40][2], y[2][64][40][2], x[64][32][2]. e_curr and bw_array also need size information.

1 0

AACSBR Review: struct SpectralBandReplication
by Alex Converse 16 Nov '09

16 Nov '09

>/** > * Spectral Band Replication > */ >typedef struct { > // SBR header bitstream variables > uint8_t bs_amp_res; > SpectrumParameters spectrum_params[2]; > // if (bs_header_extra_2) > uint8_t bs_limiter_bands; > uint8_t bs_limiter_gains; > uint8_t bs_interpol_freq; > uint8_t bs_smoothing_mode; > // SBR data bitstream variables > uint8_t bs_coupling; > SBRData data[2]; > // SBR tool variables > uint8_t reset; > uint8_t k[4]; // k0, k1, k2 and kx respectively We need a kx' Also, there is a typo in the spec, kx' should initialize to 32 not 0, confirmed by CT > uint8_t m; > uint8_t n_master; > uint8_t n[2]; // n_low and n_high respectively > uint8_t n_q; > uint8_t n_lim; > uint16_t f_master[49]; > uint16_t f_tablelow[25]; > uint16_t f_tablehigh[49]; > uint16_t f_tablenoise[6]; > uint16_t f_tablelim[29]; > uint8_t num_patches; > uint8_t patch_num_subbands[5]; > uint8_t patch_start_subband[5]; > uint8_t t_env[2][8]; > uint8_t t_q[2][3]; > float env_facs[2][7][48]; > float noise_facs[2][2][5]; > float W[32][32][2]; We need a W' i.e. float W[2][32][32][2]; We need a Y/Y' e.g. float Y[2][64][40][2]; > float bw_array[2][5]; > float e_origmapped[7][48]; > float q_mapped[7][48]; > float s_indexmapped[8][48]; > float s_mapped[7][48]; > float e_curr[7][48]; > float q_m[7][48]; > float s_m[7][48]; > float gain[7][48]; > float gain_max[7][48]; > float gain_lim[7][48]; > float gain_boost[7][48]; > float gain_limboost[7][48]; > float q_m_lim[7][48]; > float q_m_limboost[7][48]; > float s_m_boost[7][48]; > uint8_t f_indexnoise[42][48][2]; > uint8_t f_indexsine[42][2]; >} SpectralBandReplication; For purposes of minimizing holes, should this be sorted differently? ' indicates from the previous frame.

1 0

[PATCH 1/3] {c,h} is not a valid POSIX glob sequence
by Alex Converse 16 Nov '09

16 Nov '09

--- checkout.sh | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)

2 7

[soc]: r5446 - aac-sbr/checkout.sh
by alexc 16 Nov '09

16 Nov '09

Author: alexc Date: Mon Nov 16 09:15:48 2009 New Revision: 5446 Log: {c,h} is not a valid POSIX glob sequence Modified: aac-sbr/checkout.sh Modified: aac-sbr/checkout.sh ============================================================================== --- aac-sbr/checkout.sh Sun Nov 15 11:47:55 2009 (r5445) +++ aac-sbr/checkout.sh Mon Nov 16 09:15:48 2009 (r5446) @@ -3,7 +3,7 @@ echo "Checking out FFmpeg..." svn co svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg -r 20025 echo "Copying SBR files into FFmpeg tree..." -cp aacsbr*.{c,h} ffmpeg/libavcodec +cp aacsbr*.[ch] ffmpeg/libavcodec echo "Applying SBR and build system patch" cd ffmpeg; patch -p0 < ../ffmpeg.diff echo "All done! Now configure and make FFmpeg"

1 0