X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Flibxvid_rc.c;h=26f3c495c1ddee891f6dd5ab59bd180d74c5f3bd;hb=bfe1cd80ebeab58cbc1c91ac766a96fce8e4ec1e;hp=4cb832fb4a5cb6e4bb3b98d574bdfb3fcf62af2d;hpb=18e8fef7c9292041e3266487d9bc6b59e5eaa798;p=ffmpeg diff --git a/libavcodec/libxvid_rc.c b/libavcodec/libxvid_rc.c index 4cb832fb4a5..26f3c495c1d 100644 --- a/libavcodec/libxvid_rc.c +++ b/libavcodec/libxvid_rc.c @@ -20,121 +20,172 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include +#include "config.h" + +#if !HAVE_MKSTEMP +#include +#endif #include +#include + +#include "libavutil/attributes.h" +#include "libavutil/internal.h" + #include "avcodec.h" -#include "libxvid_internal.h" -//#include "dsputil.h" +#include "libxvid.h" #include "mpegvideo.h" -#undef NDEBUG -#include - -extern unsigned int xvid_debug; +/* Wrapper to work around the lack of mkstemp() on mingw. + * Also, tries to create file in /tmp first, if possible. + * *prefix can be a character constant; *filename will be allocated internally. + * @return file descriptor of opened file (or -1 on error) + * and opened file name in **filename. */ +int ff_tempfile(const char *prefix, char **filename) +{ + int fd = -1; +#if !HAVE_MKSTEMP + *filename = tempnam(".", prefix); +#else + size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */ + *filename = av_malloc(len); +#endif + /* -----common section-----*/ + if (!(*filename)) { + av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n"); + return AVERROR(ENOMEM); + } +#if !HAVE_MKSTEMP + fd = avpriv_open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444); +#else + snprintf(*filename, len, "/tmp/%sXXXXXX", prefix); + fd = mkstemp(*filename); + if (fd < 0) { + snprintf(*filename, len, "./%sXXXXXX", prefix); + fd = mkstemp(*filename); + } +#endif + /* -----common section-----*/ + if (fd < 0) { + av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename); + return AVERROR(EIO); + } + return fd; /* success */ +} -int ff_xvid_rate_control_init(MpegEncContext *s){ +av_cold int ff_xvid_rate_control_init(MpegEncContext *s) +{ char *tmp_name; int fd, i; xvid_plg_create_t xvid_plg_create = { 0 }; xvid_plugin_2pass2_t xvid_2pass2 = { 0 }; -//xvid_debug=-1; - - fd=ff_tempfile("xvidrc.", &tmp_name); - if (fd == -1) { + fd = ff_tempfile("xvidrc.", &tmp_name); + if (fd < 0) { av_log(NULL, AV_LOG_ERROR, "Can't create temporary pass2 file.\n"); - return -1; + return fd; } - for(i=0; irc_context.num_entries; i++){ + for (i = 0; i < s->rc_context.num_entries; i++) { static const char frame_types[] = " ipbs"; char tmp[256]; RateControlEntry *rce; - rce= &s->rc_context.entry[i]; + rce = &s->rc_context.entry[i]; snprintf(tmp, sizeof(tmp), "%c %d %d %d %d %d %d\n", - frame_types[rce->pict_type], (int)lrintf(rce->qscale / FF_QP2LAMBDA), rce->i_count, s->mb_num - rce->i_count - rce->skip_count, - rce->skip_count, (rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits+7)/8, (rce->header_bits+rce->mv_bits+7)/8); + frame_types[rce->pict_type], + (int) lrintf(rce->qscale / FF_QP2LAMBDA), + rce->i_count, s->mb_num - rce->i_count - rce->skip_count, + rce->skip_count, + (rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits + 7) / 8, + (rce->header_bits + rce->mv_bits + 7) / 8); -//av_log(NULL, AV_LOG_ERROR, "%s\n", tmp); write(fd, tmp, strlen(tmp)); } close(fd); - xvid_2pass2.version= XVID_MAKE_VERSION(1,1,0); - xvid_2pass2.filename= tmp_name; - xvid_2pass2.bitrate= s->avctx->bit_rate; - xvid_2pass2.vbv_size= s->avctx->rc_buffer_size; - xvid_2pass2.vbv_maxrate= s->avctx->rc_max_rate; - xvid_2pass2.vbv_initial= s->avctx->rc_initial_buffer_occupancy; + xvid_2pass2.version = XVID_MAKE_VERSION(1, 1, 0); + xvid_2pass2.filename = tmp_name; + xvid_2pass2.bitrate = s->avctx->bit_rate; + xvid_2pass2.vbv_size = s->avctx->rc_buffer_size; + xvid_2pass2.vbv_maxrate = s->avctx->rc_max_rate; + xvid_2pass2.vbv_initial = s->avctx->rc_initial_buffer_occupancy; - xvid_plg_create.version= XVID_MAKE_VERSION(1,1,0); - xvid_plg_create.fbase= s->avctx->time_base.den; - xvid_plg_create.fincr= s->avctx->time_base.num; - xvid_plg_create.param= &xvid_2pass2; + xvid_plg_create.version = XVID_MAKE_VERSION(1, 1, 0); + xvid_plg_create.fbase = s->avctx->time_base.den; + xvid_plg_create.fincr = s->avctx->time_base.num; + xvid_plg_create.param = &xvid_2pass2; - if(xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create, &s->rc_context.non_lavc_opaque)<0){ + if (xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create, + &s->rc_context.non_lavc_opaque) < 0) { av_log(NULL, AV_LOG_ERROR, "xvid_plugin_2pass2 failed\n"); return -1; } return 0; } -float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ +float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run) +{ xvid_plg_data_t xvid_plg_data = { 0 }; - xvid_plg_data.version= XVID_MAKE_VERSION(1,1,0); - xvid_plg_data.width = s->width; - xvid_plg_data.height= s->height; - xvid_plg_data.mb_width = s->mb_width; - xvid_plg_data.mb_height= s->mb_height; - xvid_plg_data.fbase= s->avctx->time_base.den; - xvid_plg_data.fincr= s->avctx->time_base.num; - xvid_plg_data.min_quant[0]= s->avctx->qmin; - xvid_plg_data.min_quant[1]= s->avctx->qmin; - xvid_plg_data.min_quant[2]= s->avctx->qmin; //FIXME i/b factor & offset - xvid_plg_data.max_quant[0]= s->avctx->qmax; - xvid_plg_data.max_quant[1]= s->avctx->qmax; - xvid_plg_data.max_quant[2]= s->avctx->qmax; //FIXME i/b factor & offset - xvid_plg_data.bquant_offset = 0; // 100 * s->avctx->b_quant_offset; - xvid_plg_data.bquant_ratio = 100; // * s->avctx->b_quant_factor; - - if(!s->rc_context.dry_run_qscale){ - if(s->picture_number){ - xvid_plg_data.length= - xvid_plg_data.stats.length= (s->frame_bits + 7)/8; - xvid_plg_data.frame_num= s->rc_context.last_picture_number; - xvid_plg_data.quant= s->qscale; - - xvid_plg_data.type= s->last_pict_type; - if(xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_AFTER, &xvid_plg_data, NULL)){ - av_log(s->avctx, AV_LOG_ERROR, "xvid_plugin_2pass2(handle, XVID_PLG_AFTER, ...) FAILED\n"); + xvid_plg_data.version = XVID_MAKE_VERSION(1, 1, 0); + xvid_plg_data.width = s->width; + xvid_plg_data.height = s->height; + xvid_plg_data.mb_width = s->mb_width; + xvid_plg_data.mb_height = s->mb_height; + xvid_plg_data.fbase = s->avctx->time_base.den; + xvid_plg_data.fincr = s->avctx->time_base.num; + xvid_plg_data.min_quant[0] = s->avctx->qmin; + xvid_plg_data.min_quant[1] = s->avctx->qmin; + xvid_plg_data.min_quant[2] = s->avctx->qmin; // FIXME i/b factor & offset + xvid_plg_data.max_quant[0] = s->avctx->qmax; + xvid_plg_data.max_quant[1] = s->avctx->qmax; + xvid_plg_data.max_quant[2] = s->avctx->qmax; // FIXME i/b factor & offset + xvid_plg_data.bquant_offset = 0; // 100 * s->avctx->b_quant_offset; + xvid_plg_data.bquant_ratio = 100; // * s->avctx->b_quant_factor; + + if (!s->rc_context.dry_run_qscale) { + if (s->picture_number) { + xvid_plg_data.length = + xvid_plg_data.stats.length = (s->frame_bits + 7) / 8; + xvid_plg_data.frame_num = s->rc_context.last_picture_number; + xvid_plg_data.quant = s->qscale; + xvid_plg_data.type = s->last_pict_type; + if (xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, + XVID_PLG_AFTER, &xvid_plg_data, NULL)) { + av_log(s->avctx, AV_LOG_ERROR, + "xvid_plugin_2pass2(handle, XVID_PLG_AFTER, ...) FAILED\n"); return -1; } } - s->rc_context.last_picture_number= - xvid_plg_data.frame_num= s->picture_number; - xvid_plg_data.quant= 0; - if(xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_BEFORE, &xvid_plg_data, NULL)){ - av_log(s->avctx, AV_LOG_ERROR, "xvid_plugin_2pass2(handle, XVID_PLG_BEFORE, ...) FAILED\n"); + s->rc_context.last_picture_number = + xvid_plg_data.frame_num = s->picture_number; + xvid_plg_data.quant = 0; + if (xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, + XVID_PLG_BEFORE, &xvid_plg_data, NULL)) { + av_log(s->avctx, AV_LOG_ERROR, + "xvid_plugin_2pass2(handle, XVID_PLG_BEFORE, ...) FAILED\n"); return -1; } - s->rc_context.dry_run_qscale= xvid_plg_data.quant; + s->rc_context.dry_run_qscale = xvid_plg_data.quant; } - xvid_plg_data.quant= s->rc_context.dry_run_qscale; - if(!dry_run) - s->rc_context.dry_run_qscale= 0; - - if(s->pict_type == AV_PICTURE_TYPE_B) //FIXME this is not exactly identical to xvid - return xvid_plg_data.quant * FF_QP2LAMBDA * s->avctx->b_quant_factor + s->avctx->b_quant_offset; + xvid_plg_data.quant = s->rc_context.dry_run_qscale; + if (!dry_run) + s->rc_context.dry_run_qscale = 0; + + // FIXME this is not exactly identical to Xvid + if (s->pict_type == AV_PICTURE_TYPE_B) + return xvid_plg_data.quant * FF_QP2LAMBDA * s->avctx->b_quant_factor + + s->avctx->b_quant_offset; else return xvid_plg_data.quant * FF_QP2LAMBDA; } -void ff_xvid_rate_control_uninit(MpegEncContext *s){ +av_cold void ff_xvid_rate_control_uninit(MpegEncContext *s) +{ xvid_plg_destroy_t xvid_plg_destroy; - xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_DESTROY, &xvid_plg_destroy, NULL); + xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_DESTROY, + &xvid_plg_destroy, NULL); }