From 8837b022d93d2404ecb98d35893b1e5ff2992f0a Mon Sep 17 00:00:00 2001 From: Dmitry Kovalev Date: Thu, 13 Feb 2014 14:18:05 -0800 Subject: [PATCH] Adapting vp8_set_maps.c example to use new APIs. Change-Id: Id6e6b5a96c907261abe4348624241b4568707c1d --- examples.mk | 4 + examples/vp8_set_maps.c | 392 +++++++++++++++++----------------------- 2 files changed, 172 insertions(+), 224 deletions(-) diff --git a/examples.mk b/examples.mk index 5f12b6b2d..e4abcf702 100644 --- a/examples.mk +++ b/examples.mk @@ -137,6 +137,10 @@ error_resilient.GUID = DF5837B9-4145-4F92-A031-44E4F832E00C error_resilient.DESCRIPTION = Error Resiliency Feature EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c +vp8_set_maps.SRCS += ivfenc.h ivfenc.c +vp8_set_maps.SRCS += tools_common.h tools_common.c +vp8_set_maps.SRCS += video_common.h +vp8_set_maps.SRCS += video_writer.h video_writer.c vp8_set_maps.GUID = ECB2D24D-98B8-4015-A465-A4AF3DCC145F vp8_set_maps.DESCRIPTION = VP8 set active and ROI maps EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c diff --git a/examples/vp8_set_maps.c b/examples/vp8_set_maps.c index 4c0e8a0ba..ec9bc65f5 100644 --- a/examples/vp8_set_maps.c +++ b/examples/vp8_set_maps.c @@ -44,253 +44,197 @@ #include #include -#include #include + #define VPX_CODEC_DISABLE_COMPAT 1 -#include "vpx/vpx_encoder.h" #include "vpx/vp8cx.h" -#define interface (vpx_codec_vp8_cx()) -#define fourcc 0x30385056 +#include "vpx/vpx_encoder.h" -#define IVF_FILE_HDR_SZ (32) -#define IVF_FRAME_HDR_SZ (12) +#include "./tools_common.h" +#include "./video_writer.h" -static void mem_put_le16(char *mem, unsigned int val) { - mem[0] = val; - mem[1] = val>>8; -} +static const char *exec_name; -static void mem_put_le32(char *mem, unsigned int val) { - mem[0] = val; - mem[1] = val>>8; - mem[2] = val>>16; - mem[3] = val>>24; +void usage_exit() { + fprintf(stderr, "Usage: %s \n", exec_name); + exit(EXIT_FAILURE); } -static void die(const char *fmt, ...) { - va_list ap; +static void set_roi_map(const vpx_codec_enc_cfg_t *cfg, + vpx_codec_ctx_t *codec) { + int i; + vpx_roi_map_t roi = {0}; - va_start(ap, fmt); - vprintf(fmt, ap); - if(fmt[strlen(fmt)-1] != '\n') - printf("\n"); - exit(EXIT_FAILURE); -} + roi.rows = cfg->g_h / 16; + roi.cols = cfg->g_w / 16; -static void die_codec(vpx_codec_ctx_t *ctx, const char *s) { - const char *detail = vpx_codec_error_detail(ctx); + roi.delta_q[0] = 0; + roi.delta_q[1] = -2; + roi.delta_q[2] = -4; + roi.delta_q[3] = -6; - printf("%s: %s\n", s, vpx_codec_error(ctx)); - if(detail) - printf(" %s\n",detail); - exit(EXIT_FAILURE); -} + roi.delta_lf[0] = 0; + roi.delta_lf[1] = 1; + roi.delta_lf[2] = 2; + roi.delta_lf[3] = 3; -static int read_frame(FILE *f, vpx_image_t *img) { - size_t nbytes, to_read; - int res = 1; + roi.static_threshold[0] = 1500; + roi.static_threshold[1] = 1000; + roi.static_threshold[2] = 500; + roi.static_threshold[3] = 0; - to_read = img->w*img->h*3/2; - nbytes = fread(img->planes[0], 1, to_read, f); - if(nbytes != to_read) { - res = 0; - if(nbytes > 0) - printf("Warning: Read partial frame. Check your width & height!\n"); - } - return res; -} + roi.roi_map = (uint8_t *)malloc(roi.rows * roi.cols); + for (i = 0; i < roi.rows * roi.cols; ++i) + roi.roi_map[i] = i % 4; -static void write_ivf_file_header(FILE *outfile, - const vpx_codec_enc_cfg_t *cfg, - int frame_cnt) { - char header[32]; - - if(cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS) - return; - header[0] = 'D'; - header[1] = 'K'; - header[2] = 'I'; - header[3] = 'F'; - mem_put_le16(header+4, 0); /* version */ - mem_put_le16(header+6, 32); /* headersize */ - mem_put_le32(header+8, fourcc); /* headersize */ - mem_put_le16(header+12, cfg->g_w); /* width */ - mem_put_le16(header+14, cfg->g_h); /* height */ - mem_put_le32(header+16, cfg->g_timebase.den); /* rate */ - mem_put_le32(header+20, cfg->g_timebase.num); /* scale */ - mem_put_le32(header+24, frame_cnt); /* length */ - mem_put_le32(header+28, 0); /* unused */ - - (void) fwrite(header, 1, 32, outfile); + if (vpx_codec_control(codec, VP8E_SET_ROI_MAP, &roi)) + die_codec(codec, "Failed to set ROI map"); + + free(roi.roi_map); } +static void set_active_map(const vpx_codec_enc_cfg_t *cfg, + vpx_codec_ctx_t *codec) { + int i; + vpx_active_map_t map = {0}; -static void write_ivf_frame_header(FILE *outfile, - const vpx_codec_cx_pkt_t *pkt) -{ - char header[12]; - vpx_codec_pts_t pts; + map.rows = cfg->g_h / 16; + map.cols = cfg->g_w / 16; - if(pkt->kind != VPX_CODEC_CX_FRAME_PKT) - return; + map.active_map = (uint8_t *)malloc(map.rows * map.cols); + for (i = 0; i < map.rows * map.cols; ++i) + map.active_map[i] = i % 2; - pts = pkt->data.frame.pts; - mem_put_le32(header, pkt->data.frame.sz); - mem_put_le32(header+4, pts&0xFFFFFFFF); - mem_put_le32(header+8, pts >> 32); + if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map)) + die_codec(codec, "Failed to set active map"); - (void) fwrite(header, 1, 12, outfile); + free(map.active_map); +} + +static void unset_active_map(const vpx_codec_enc_cfg_t *cfg, + vpx_codec_ctx_t *codec) { + vpx_active_map_t map = {0}; + + map.rows = cfg->g_h / 16; + map.cols = cfg->g_w / 16; + map.active_map = NULL; + + if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map)) + die_codec(codec, "Failed to set active map"); +} + +static void encode_frame(vpx_codec_ctx_t *codec, + vpx_image_t *img, + int frame_index, + VpxVideoWriter *writer) { + vpx_codec_iter_t iter = NULL; + const vpx_codec_cx_pkt_t *pkt = NULL; + const vpx_codec_err_t res = vpx_codec_encode(codec, img, frame_index, 1, 0, + VPX_DL_GOOD_QUALITY); + if (res != VPX_CODEC_OK) + die_codec(codec, "Failed to encode frame"); + + while ((pkt = vpx_codec_get_cx_data(codec, &iter)) != NULL) { + if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) { + const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0; + if (!vpx_video_writer_write_frame(writer, + pkt->data.frame.buf, + pkt->data.frame.sz, + pkt->data.frame.pts)) { + die_codec(codec, "Failed to write compressed frame"); + } + + printf(keyframe ? "K" : "."); + fflush(stdout); + } + } } int main(int argc, char **argv) { - FILE *infile, *outfile; - vpx_codec_ctx_t codec; - vpx_codec_enc_cfg_t cfg; - int frame_cnt = 0; - vpx_image_t raw; - vpx_codec_err_t res; - long width; - long height; - int frame_avail; - int got_data; - int flags = 0; - - /* Open files */ - if(argc!=5) - die("Usage: %s \n", argv[0]); - width = strtol(argv[1], NULL, 0); - height = strtol(argv[2], NULL, 0); - if(width < 16 || width%2 || height <16 || height%2) - die("Invalid resolution: %ldx%ld", width, height); - if(!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 1)) - die("Faile to allocate image", width, height); - if(!(outfile = fopen(argv[4], "wb"))) - die("Failed to open %s for writing", argv[4]); - - printf("Using %s\n",vpx_codec_iface_name(interface)); - - /* Populate encoder configuration */ - res = vpx_codec_enc_config_default(interface, &cfg, 0); - if(res) { - printf("Failed to get config: %s\n", vpx_codec_err_to_string(res)); - return EXIT_FAILURE; + FILE *infile = NULL; + vpx_codec_ctx_t codec = {0}; + vpx_codec_enc_cfg_t cfg = {0}; + int frame_count = 0; + vpx_image_t raw = {0}; + vpx_codec_err_t res; + VpxVideoInfo info = {0}; + VpxVideoWriter *writer = NULL; + const VpxInterface *encoder = NULL; + const int fps = 2; // TODO(dkovalev) add command line argument + const int bitrate = 200; // kbit/s TODO(dkovalev) add command line argument + + exec_name = argv[0]; + + if (argc != 5) + die("Invalid number of arguments"); + + encoder = get_vpx_encoder_by_name("vp8"); // only vp8 for now + if (!encoder) + die("Unsupported codec."); + + info.codec_fourcc = encoder->fourcc; + info.frame_width = strtol(argv[1], NULL, 0); + info.frame_height = strtol(argv[2], NULL, 0); + info.time_base.numerator = 1; + info.time_base.denominator = fps; + + if (info.frame_width <= 0 || + info.frame_height <= 0 || + (info.frame_width % 2) != 0 || + (info.frame_height % 2) != 0) { + die("Invalid frame size: %dx%d", info.frame_width, info.frame_height); + } + + if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width, + info.frame_height, 1)) { + die("Failed to allocate image."); + } + + printf("Using %s\n", vpx_codec_iface_name(encoder->interface())); + + res = vpx_codec_enc_config_default(encoder->interface(), &cfg, 0); + if (res) + die_codec(&codec, "Failed to get default codec config."); + + cfg.g_w = info.frame_width; + cfg.g_h = info.frame_height; + cfg.g_timebase.num = info.time_base.numerator; + cfg.g_timebase.den = info.time_base.denominator; + cfg.rc_target_bitrate = bitrate; + + writer = vpx_video_writer_open(argv[4], kContainerIVF, &info); + if (!writer) + die("Failed to open %s for writing.", argv[4]); + + if (!(infile = fopen(argv[3], "rb"))) + die("Failed to open %s for reading.", argv[3]); + + if (vpx_codec_enc_init(&codec, encoder->interface(), &cfg, 0)) + die_codec(&codec, "Failed to initialize encoder"); + + while (vpx_img_read(&raw, infile)) { + ++frame_count; + + if (frame_count == 22) { + set_roi_map(&cfg, &codec); + } else if (frame_count == 33) { + set_active_map(&cfg, &codec); + } else if (frame_count == 44) { + unset_active_map(&cfg, &codec); } - /* Update the default configuration with our settings */ - cfg.rc_target_bitrate = width * height * cfg.rc_target_bitrate - / cfg.g_w / cfg.g_h; - cfg.g_w = width; - cfg.g_h = height; - - write_ivf_file_header(outfile, &cfg, 0); - - - /* Open input file for this encoding pass */ - if(!(infile = fopen(argv[3], "rb"))) - die("Failed to open %s for reading", argv[3]); - - /* Initialize codec */ - if(vpx_codec_enc_init(&codec, interface, &cfg, 0)) - die_codec(&codec, "Failed to initialize encoder"); - - frame_avail = 1; - got_data = 0; - while(frame_avail || got_data) { - vpx_codec_iter_t iter = NULL; - const vpx_codec_cx_pkt_t *pkt; - - if(frame_cnt + 1 == 22) { - vpx_roi_map_t roi; - unsigned int i; - - roi.rows = cfg.g_h/16; - roi.cols = cfg.g_w/16; - - roi.delta_q[0] = 0; - roi.delta_q[1] = -2; - roi.delta_q[2] = -4; - roi.delta_q[3] = -6; - - roi.delta_lf[0] = 0; - roi.delta_lf[1] = 1; - roi.delta_lf[2] = 2; - roi.delta_lf[3] = 3; - - roi.static_threshold[0] = 1500; - roi.static_threshold[1] = 1000; - roi.static_threshold[2] = 500; - roi.static_threshold[3] = 0; - - /* generate an ROI map for example */ - roi.roi_map = malloc(roi.rows * roi.cols); - for(i=0;ikind) { - case VPX_CODEC_CX_FRAME_PKT: - write_ivf_frame_header(outfile, pkt); - (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, - outfile); - break; - default: - break; - } - printf(pkt->kind == VPX_CODEC_CX_FRAME_PKT - && (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":"."); - fflush(stdout); - } - frame_cnt++; - } - printf("\n"); - fclose(infile); - - printf("Processed %d frames.\n",frame_cnt-1); - vpx_img_free(&raw); - if(vpx_codec_destroy(&codec)) - die_codec(&codec, "Failed to destroy codec"); - - /* Try to rewrite the file header with the actual frame count */ - if(!fseek(outfile, 0, SEEK_SET)) - write_ivf_file_header(outfile, &cfg, frame_cnt-1); - fclose(outfile); - return EXIT_SUCCESS; + encode_frame(&codec, &raw, frame_count, writer); + } + encode_frame(&codec, NULL, -1, writer); + printf("\n"); + fclose(infile); + printf("Processed %d frames.\n", frame_count); + + vpx_img_free(&raw); + if (vpx_codec_destroy(&codec)) + die_codec(&codec, "Failed to destroy codec."); + + vpx_video_writer_close(writer); + + return EXIT_SUCCESS; } -- 2.40.0