static switch_status_t switch_vpx_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
vpx_context_t *context = NULL;
int encoding, decoding;
encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding) || ((context = switch_core_alloc(codec->memory_pool, sizeof(*context))) == 0)) {
return SWITCH_STATUS_FALSE;
}
memset(context, 0, sizeof(*context));
context->flags = flags;
codec->private_info = context;
context->pool = codec->memory_pool;
if (codec_settings) {
context->codec_settings = *codec_settings;
}
if (!strcmp(codec->implementation->iananame, "VP9")) {
context->is_vp9 = 1;
context->encoder_interface = vpx_codec_vp9_cx();
context->decoder_interface = vpx_codec_vp9_dx();
} else {
context->encoder_interface = vpx_codec_vp8_cx();
context->decoder_interface = vpx_codec_vp8_dx();
}
if (codec->fmtp_in) {
codec->fmtp_out = switch_core_strdup(codec->memory_pool, codec->fmtp_in);
}
if (vpx_codec_enc_config_default(context->encoder_interface, &context->config, 0) != VPX_CODEC_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Encoder config Error\n");
return SWITCH_STATUS_FALSE;
}
context->codec_settings.video.width = 320;
context->codec_settings.video.height = 240;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "VPX VER:%s VPX_IMAGE_ABI_VERSION:%d VPX_CODEC_ABI_VERSION:%d\n",
vpx_codec_version_str(), VPX_IMAGE_ABI_VERSION, VPX_CODEC_ABI_VERSION);
return SWITCH_STATUS_SUCCESS;
}
static void parse_command_line(int argc, const char **argv_,
AppInput *app_input, SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *enc_cfg) {
struct arg arg;
char **argv, **argi, **argj;
vpx_codec_err_t res;
// initialize SvcContext with parameters that will be passed to vpx_svc_init
svc_ctx->log_level = SVC_LOG_DEBUG;
svc_ctx->spatial_layers = default_spatial_layers;
svc_ctx->encoding_mode = default_encoding_mode;
// start with default encoder configuration
res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0);
if (res) {
die("Failed to get config: %s\n", vpx_codec_err_to_string(res));
}
// update enc_cfg with app default values
enc_cfg->g_w = default_width;
enc_cfg->g_h = default_height;
enc_cfg->g_timebase.num = default_timebase_num;
enc_cfg->g_timebase.den = default_timebase_den;
enc_cfg->rc_target_bitrate = default_bitrate;
enc_cfg->kf_min_dist = default_kf_dist;
enc_cfg->kf_max_dist = default_kf_dist;
// initialize AppInput with default values
app_input->frames_to_code = default_frames_to_code;
app_input->frames_to_skip = default_frames_to_skip;
// process command line options
argv = argv_dup(argc - 1, argv_ + 1);
for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
arg.argv_step = 1;
if (arg_match(&arg, &encoding_mode_arg, argi)) {
svc_ctx->encoding_mode = arg_parse_enum_or_int(&arg);
} else if (arg_match(&arg, &frames_arg, argi)) {
app_input->frames_to_code = arg_parse_uint(&arg);
} else if (arg_match(&arg, &width_arg, argi)) {
enc_cfg->g_w = arg_parse_uint(&arg);
} else if (arg_match(&arg, &height_arg, argi)) {
enc_cfg->g_h = arg_parse_uint(&arg);
} else if (arg_match(&arg, &timebase_arg, argi)) {
enc_cfg->g_timebase = arg_parse_rational(&arg);
} else if (arg_match(&arg, &bitrate_arg, argi)) {
enc_cfg->rc_target_bitrate = arg_parse_uint(&arg);
} else if (arg_match(&arg, &skip_frames_arg, argi)) {
app_input->frames_to_skip = arg_parse_uint(&arg);
} else if (arg_match(&arg, &layers_arg, argi)) {
svc_ctx->spatial_layers = arg_parse_uint(&arg);
} else if (arg_match(&arg, &kf_dist_arg, argi)) {
enc_cfg->kf_min_dist = arg_parse_uint(&arg);
enc_cfg->kf_max_dist = enc_cfg->kf_min_dist;
} else if (arg_match(&arg, &scale_factors_arg, argi)) {
vpx_svc_set_scale_factors(svc_ctx, arg.val);
} else if (arg_match(&arg, &quantizers_arg, argi)) {
vpx_svc_set_quantizers(svc_ctx, arg.val);
} else {
++argj;
}
}
// Check for unrecognized options
for (argi = argv; *argi; ++argi)
if (argi[0][0] == '-' && strlen(argi[0]) > 1)
die("Error: Unrecognized option %s\n", *argi);
if (argv[0] == NULL || argv[1] == 0) {
usage_exit();
}
app_input->input_ctx.filename = argv[0];
app_input->output_filename = argv[1];
free(argv);
if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 ||
enc_cfg->g_h % 2)
die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h);
printf(
"Codec %s\nframes: %d, skip: %d\n"
"mode: %d, layers: %d\n"
"width %d, height: %d,\n"
"num: %d, den: %d, bitrate: %d,\n"
"gop size: %d\n",
vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code,
app_input->frames_to_skip, svc_ctx->encoding_mode,
svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h,
enc_cfg->g_timebase.num, enc_cfg->g_timebase.den,
enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist);
}
int main(int argc, const char **argv) {
AppInput app_input = {0};
FILE *outfile;
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t enc_cfg;
SvcContext svc_ctx;
uint32_t i;
uint32_t frame_cnt = 0;
vpx_image_t raw;
vpx_codec_err_t res;
int pts = 0; /* PTS starts at 0 */
int frame_duration = 1; /* 1 timebase tick per frame */
vpx_codec_cx_pkt_t packet = {0};
packet.kind = VPX_CODEC_CX_FRAME_PKT;
memset(&svc_ctx, 0, sizeof(svc_ctx));
svc_ctx.log_print = 1;
exec_name = argv[0];
parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg);
// Allocate image buffer
if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, enc_cfg.g_w, enc_cfg.g_h, 32))
die("Failed to allocate image %dx%d\n", enc_cfg.g_w, enc_cfg.g_h);
if (!(app_input.input_ctx.file = fopen(app_input.input_ctx.filename, "rb")))
die("Failed to open %s for reading\n", app_input.input_ctx.filename);
if (!(outfile = fopen(app_input.output_filename, "wb")))
die("Failed to open %s for writing\n", app_input.output_filename);
// Initialize codec
if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=
VPX_CODEC_OK)
die("Failed to initialize encoder\n");
ivf_write_file_header(outfile, &enc_cfg, VP9_FOURCC, 0);
// skip initial frames
for (i = 0; i < app_input.frames_to_skip; ++i) {
read_yuv_frame(&app_input.input_ctx, &raw);
}
// Encode frames
while (frame_cnt < app_input.frames_to_code) {
if (read_yuv_frame(&app_input.input_ctx, &raw)) break;
res = vpx_svc_encode(&svc_ctx, &codec, &raw, pts, frame_duration,
VPX_DL_REALTIME);
printf("%s", vpx_svc_get_message(&svc_ctx));
if (res != VPX_CODEC_OK) {
die_codec(&codec, "Failed to encode frame");
}
if (vpx_svc_get_frame_size(&svc_ctx) > 0) {
packet.data.frame.pts = pts;
packet.data.frame.sz = vpx_svc_get_frame_size(&svc_ctx);
ivf_write_frame_header(outfile, &packet);
(void)fwrite(vpx_svc_get_buffer(&svc_ctx), 1,
vpx_svc_get_frame_size(&svc_ctx), outfile);
}
++frame_cnt;
pts += frame_duration;
}
printf("Processed %d frames\n", frame_cnt);
fclose(app_input.input_ctx.file);
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
// rewrite the output file headers with the actual frame count, and
// resolution of the highest layer
if (!fseek(outfile, 0, SEEK_SET)) {
// get resolution of highest layer
if (VPX_CODEC_OK != vpx_svc_get_layer_resolution(&svc_ctx,
svc_ctx.spatial_layers - 1,
&enc_cfg.g_w,
&enc_cfg.g_h)) {
die("Failed to get output resolution");
}
ivf_write_file_header(outfile, &enc_cfg, VP9_FOURCC, frame_cnt);
}
fclose(outfile);
vpx_img_free(&raw);
// display average size, psnr
printf("%s", vpx_svc_dump_statistics(&svc_ctx));
vpx_svc_release(&svc_ctx);
return EXIT_SUCCESS;
}
int main(int argc, const char **argv) {
AppInput app_input = {0};
VpxVideoWriter *writer = NULL;
VpxVideoInfo info = {0};
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t enc_cfg;
SvcContext svc_ctx;
uint32_t i;
uint32_t frame_cnt = 0;
vpx_image_t raw;
vpx_codec_err_t res;
int pts = 0; /* PTS starts at 0 */
int frame_duration = 1; /* 1 timebase tick per frame */
FILE *infile = NULL;
memset(&svc_ctx, 0, sizeof(svc_ctx));
svc_ctx.log_print = 1;
exec_name = argv[0];
parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg);
// Allocate image buffer
if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, enc_cfg.g_w, enc_cfg.g_h, 32))
die("Failed to allocate image %dx%d\n", enc_cfg.g_w, enc_cfg.g_h);
if (!(infile = fopen(app_input.input_filename, "rb")))
die("Failed to open %s for reading\n", app_input.input_filename);
// Initialize codec
if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=
VPX_CODEC_OK)
die("Failed to initialize encoder\n");
info.codec_fourcc = VP9_FOURCC;
info.time_base.numerator = enc_cfg.g_timebase.num;
info.time_base.denominator = enc_cfg.g_timebase.den;
if (vpx_svc_get_layer_resolution(&svc_ctx, svc_ctx.spatial_layers - 1,
(unsigned int *)&info.frame_width,
(unsigned int *)&info.frame_height) !=
VPX_CODEC_OK) {
die("Failed to get output resolution");
}
writer = vpx_video_writer_open(app_input.output_filename, kContainerIVF,
&info);
if (!writer)
die("Failed to open %s for writing\n", app_input.output_filename);
// skip initial frames
for (i = 0; i < app_input.frames_to_skip; ++i)
vpx_img_read(&raw, infile);
// Encode frames
while (frame_cnt < app_input.frames_to_code) {
if (!vpx_img_read(&raw, infile))
break;
res = vpx_svc_encode(&svc_ctx, &codec, &raw, pts, frame_duration,
VPX_DL_REALTIME);
printf("%s", vpx_svc_get_message(&svc_ctx));
if (res != VPX_CODEC_OK) {
die_codec(&codec, "Failed to encode frame");
}
if (vpx_svc_get_frame_size(&svc_ctx) > 0) {
vpx_video_writer_write_frame(writer,
vpx_svc_get_buffer(&svc_ctx),
vpx_svc_get_frame_size(&svc_ctx),
pts);
}
++frame_cnt;
pts += frame_duration;
}
printf("Processed %d frames\n", frame_cnt);
fclose(infile);
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
vpx_video_writer_close(writer);
vpx_img_free(&raw);
// display average size, psnr
printf("%s", vpx_svc_dump_statistics(&svc_ctx));
vpx_svc_release(&svc_ctx);
return EXIT_SUCCESS;
}
int main(int argc, const char **argv) {
AppInput app_input = {0};
VpxVideoWriter *writer = NULL;
VpxVideoInfo info = {0};
vpx_codec_ctx_t codec;
vpx_codec_enc_cfg_t enc_cfg;
SvcContext svc_ctx;
uint32_t i;
uint32_t frame_cnt = 0;
vpx_image_t raw;
vpx_codec_err_t res;
int pts = 0; /* PTS starts at 0 */
int frame_duration = 1; /* 1 timebase tick per frame */
FILE *infile = NULL;
int end_of_stream = 0;
int frames_received = 0;
memset(&svc_ctx, 0, sizeof(svc_ctx));
svc_ctx.log_print = 1;
exec_name = argv[0];
parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg);
// Allocate image buffer
if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, enc_cfg.g_w, enc_cfg.g_h, 32))
die("Failed to allocate image %dx%d\n", enc_cfg.g_w, enc_cfg.g_h);
if (!(infile = fopen(app_input.input_filename, "rb")))
die("Failed to open %s for reading\n", app_input.input_filename);
// Initialize codec
if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=
VPX_CODEC_OK)
die("Failed to initialize encoder\n");
info.codec_fourcc = VP9_FOURCC;
info.time_base.numerator = enc_cfg.g_timebase.num;
info.time_base.denominator = enc_cfg.g_timebase.den;
if (vpx_svc_get_layer_resolution(&svc_ctx, svc_ctx.spatial_layers - 1,
(unsigned int *)&info.frame_width,
(unsigned int *)&info.frame_height) !=
VPX_CODEC_OK) {
die("Failed to get output resolution");
}
if (!(app_input.passes == 2 && app_input.pass == 1)) {
// We don't save the bitstream for the 1st pass on two pass rate control
writer = vpx_video_writer_open(app_input.output_filename, kContainerIVF,
&info);
if (!writer)
die("Failed to open %s for writing\n", app_input.output_filename);
}
// skip initial frames
for (i = 0; i < app_input.frames_to_skip; ++i)
vpx_img_read(&raw, infile);
// Encode frames
while (!end_of_stream) {
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *cx_pkt;
if (frame_cnt >= app_input.frames_to_code || !vpx_img_read(&raw, infile)) {
// We need one extra vpx_svc_encode call at end of stream to flush
// encoder and get remaining data
end_of_stream = 1;
}
res = vpx_svc_encode(&svc_ctx, &codec, (end_of_stream ? NULL : &raw),
pts, frame_duration, VPX_DL_GOOD_QUALITY);
printf("%s", vpx_svc_get_message(&svc_ctx));
if (res != VPX_CODEC_OK) {
die_codec(&codec, "Failed to encode frame");
}
while ((cx_pkt = vpx_codec_get_cx_data(&codec, &iter)) != NULL) {
switch (cx_pkt->kind) {
case VPX_CODEC_CX_FRAME_PKT: {
if (cx_pkt->data.frame.sz > 0)
vpx_video_writer_write_frame(writer,
cx_pkt->data.frame.buf,
cx_pkt->data.frame.sz,
cx_pkt->data.frame.pts);
printf("SVC frame: %d, kf: %d, size: %d, pts: %d\n", frames_received,
!!(cx_pkt->data.frame.flags & VPX_FRAME_IS_KEY),
(int)cx_pkt->data.frame.sz, (int)cx_pkt->data.frame.pts);
++frames_received;
break;
}
case VPX_CODEC_STATS_PKT: {
stats_write(&app_input.rc_stats,
cx_pkt->data.twopass_stats.buf,
cx_pkt->data.twopass_stats.sz);
break;
}
default: {
break;
}
}
}
if (!end_of_stream) {
++frame_cnt;
pts += frame_duration;
}
}
printf("Processed %d frames\n", frame_cnt);
fclose(infile);
if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
if (app_input.passes == 2)
stats_close(&app_input.rc_stats, 1);
if (writer) {
vpx_video_writer_close(writer);
}
vpx_img_free(&raw);
// display average size, psnr
printf("%s", vpx_svc_dump_statistics(&svc_ctx));
vpx_svc_release(&svc_ctx);
return EXIT_SUCCESS;
}
static void parse_command_line(int argc, const char **argv_,
AppInput *app_input, SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *enc_cfg) {
struct arg arg = {0};
char **argv = NULL;
char **argi = NULL;
char **argj = NULL;
vpx_codec_err_t res;
int passes = 0;
int pass = 0;
const char *fpf_file_name = NULL;
unsigned int min_bitrate = 0;
unsigned int max_bitrate = 0;
// initialize SvcContext with parameters that will be passed to vpx_svc_init
svc_ctx->log_level = SVC_LOG_DEBUG;
svc_ctx->spatial_layers = default_spatial_layers;
svc_ctx->temporal_layers = default_temporal_layers;
// start with default encoder configuration
res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0);
if (res) {
die("Failed to get config: %s\n", vpx_codec_err_to_string(res));
}
// update enc_cfg with app default values
enc_cfg->g_w = default_width;
enc_cfg->g_h = default_height;
enc_cfg->g_timebase.num = default_timebase_num;
enc_cfg->g_timebase.den = default_timebase_den;
enc_cfg->rc_target_bitrate = default_bitrate;
enc_cfg->kf_min_dist = default_kf_dist;
enc_cfg->kf_max_dist = default_kf_dist;
enc_cfg->rc_end_usage = VPX_CQ;
// initialize AppInput with default values
app_input->frames_to_code = default_frames_to_code;
app_input->frames_to_skip = default_frames_to_skip;
// process command line options
argv = argv_dup(argc - 1, argv_ + 1);
for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
arg.argv_step = 1;
if (arg_match(&arg, &frames_arg, argi)) {
app_input->frames_to_code = arg_parse_uint(&arg);
} else if (arg_match(&arg, &width_arg, argi)) {
enc_cfg->g_w = arg_parse_uint(&arg);
} else if (arg_match(&arg, &height_arg, argi)) {
enc_cfg->g_h = arg_parse_uint(&arg);
} else if (arg_match(&arg, &timebase_arg, argi)) {
enc_cfg->g_timebase = arg_parse_rational(&arg);
} else if (arg_match(&arg, &bitrate_arg, argi)) {
enc_cfg->rc_target_bitrate = arg_parse_uint(&arg);
} else if (arg_match(&arg, &skip_frames_arg, argi)) {
app_input->frames_to_skip = arg_parse_uint(&arg);
} else if (arg_match(&arg, &spatial_layers_arg, argi)) {
svc_ctx->spatial_layers = arg_parse_uint(&arg);
} else if (arg_match(&arg, &temporal_layers_arg, argi)) {
svc_ctx->temporal_layers = arg_parse_uint(&arg);
} else if (arg_match(&arg, &kf_dist_arg, argi)) {
enc_cfg->kf_min_dist = arg_parse_uint(&arg);
enc_cfg->kf_max_dist = enc_cfg->kf_min_dist;
} else if (arg_match(&arg, &scale_factors_arg, argi)) {
vpx_svc_set_scale_factors(svc_ctx, arg.val);
} else if (arg_match(&arg, &quantizers_arg, argi)) {
vpx_svc_set_quantizers(svc_ctx, arg.val);
} else if (arg_match(&arg, &passes_arg, argi)) {
passes = arg_parse_uint(&arg);
if (passes < 1 || passes > 2) {
die("Error: Invalid number of passes (%d)\n", passes);
}
} else if (arg_match(&arg, &pass_arg, argi)) {
pass = arg_parse_uint(&arg);
if (pass < 1 || pass > 2) {
die("Error: Invalid pass selected (%d)\n", pass);
}
} else if (arg_match(&arg, &fpf_name_arg, argi)) {
fpf_file_name = arg.val;
} else if (arg_match(&arg, &min_q_arg, argi)) {
enc_cfg->rc_min_quantizer = arg_parse_uint(&arg);
} else if (arg_match(&arg, &max_q_arg, argi)) {
enc_cfg->rc_max_quantizer = arg_parse_uint(&arg);
} else if (arg_match(&arg, &min_bitrate_arg, argi)) {
min_bitrate = arg_parse_uint(&arg);
} else if (arg_match(&arg, &max_bitrate_arg, argi)) {
max_bitrate = arg_parse_uint(&arg);
} else {
++argj;
}
}
if (passes == 0 || passes == 1) {
if (pass) {
fprintf(stderr, "pass is ignored since there's only one pass\n");
}
enc_cfg->g_pass = VPX_RC_ONE_PASS;
} else {
if (pass == 0) {
die("pass must be specified when passes is 2\n");
}
if (fpf_file_name == NULL) {
die("fpf must be specified when passes is 2\n");
}
if (pass == 1) {
enc_cfg->g_pass = VPX_RC_FIRST_PASS;
if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 0)) {
fatal("Failed to open statistics store");
}
} else {
enc_cfg->g_pass = VPX_RC_LAST_PASS;
if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 1)) {
fatal("Failed to open statistics store");
}
enc_cfg->rc_twopass_stats_in = stats_get(&app_input->rc_stats);
}
app_input->passes = passes;
app_input->pass = pass;
}
if (enc_cfg->rc_target_bitrate > 0) {
if (min_bitrate > 0) {
enc_cfg->rc_2pass_vbr_minsection_pct =
min_bitrate * 100 / enc_cfg->rc_target_bitrate;
}
if (max_bitrate > 0) {
enc_cfg->rc_2pass_vbr_maxsection_pct =
max_bitrate * 100 / enc_cfg->rc_target_bitrate;
}
}
// Check for unrecognized options
for (argi = argv; *argi; ++argi)
if (argi[0][0] == '-' && strlen(argi[0]) > 1)
die("Error: Unrecognized option %s\n", *argi);
if (argv[0] == NULL || argv[1] == 0) {
usage_exit();
}
app_input->input_filename = argv[0];
app_input->output_filename = argv[1];
free(argv);
if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 ||
enc_cfg->g_h % 2)
die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h);
printf(
"Codec %s\nframes: %d, skip: %d\n"
"layers: %d\n"
"width %d, height: %d,\n"
"num: %d, den: %d, bitrate: %d,\n"
"gop size: %d\n",
vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code,
app_input->frames_to_skip,
svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h,
enc_cfg->g_timebase.num, enc_cfg->g_timebase.den,
enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist);
}