generic-library/ffmpeg
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new ratecontrol code

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Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-08-25 21:19:50 +00:00
parent 7806197db2
commit 3aa102be84
9 changed files with 966 additions and 288 deletions
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49
ffmpeg.c
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@@ -80,14 +80,28 @@ static AVOutputFormat *file_oformat;
static int frame_width = 160;
static int frame_height = 128;
static int frame_rate = 25 * FRAME_RATE_BASE;
static int video_bit_rate = 200000;
static int video_bit_rate_tolerance = 200000;
static int video_bit_rate = 200*1000;
static int video_bit_rate_tolerance = 4000*1000;
static int video_qscale = 0;
static int video_qmin = 3;
static int video_qmax = 15;
static int video_qmin = 2;
static int video_qmax = 31;
static int video_qdiff = 3;
static float video_qblur = 0.5;
static float video_qcomp = 0.5;
static float video_rc_qsquish=1.0;
static float video_rc_qmod_amp=0;
static int video_rc_qmod_freq=0;
static char *video_rc_override_string=NULL;
static char *video_rc_eq="tex^qComp";
static int video_rc_buffer_size=0;
static float video_rc_buffer_aggressivity=1.0;
static int video_rc_max_rate=0;
static int video_rc_min_rate=0;
static float video_rc_initial_cplx=0;
static float video_b_qfactor = 1.25;
static float video_b_qoffset = 1.25;
static float video_i_qfactor = 0.8;
static float video_i_qoffset = 0.0;
static int me_method = 0;
static int video_disable = 0;
static int video_codec_id = CODEC_ID_NONE;
@@ -1334,6 +1348,22 @@ void opt_video_bitrate_tolerance(const char *arg)
video_bit_rate_tolerance = atoi(arg) * 1000;
}
void opt_video_bitrate_max(const char *arg)
{
video_rc_max_rate = atoi(arg) * 1000;
}
void opt_video_bitrate_min(const char *arg)
{
video_rc_min_rate = atoi(arg) * 1000;
}
void opt_video_rc_eq(char *arg)
{
video_rc_eq = arg;
}
void opt_workaround_bugs(const char *arg)
{
workaround_bugs = atoi(arg);
@@ -1754,6 +1784,14 @@ void opt_output_file(const char *filename)
video_enc->max_qdiff = video_qdiff;
video_enc->qblur = video_qblur;
video_enc->qcompress = video_qcomp;
video_enc->rc_eq = video_rc_eq;
video_enc->rc_max_rate = video_rc_max_rate;
video_enc->rc_min_rate = video_rc_min_rate;
video_enc->rc_buffer_size = video_rc_buffer_size;
video_enc->i_quant_factor = video_i_qfactor;
video_enc->b_quant_factor = video_b_qfactor;
video_enc->i_quant_offset = video_i_qoffset;
video_enc->b_quant_offset = video_b_qoffset;
if (do_psnr)
video_enc->get_psnr = 1;
@@ -2097,7 +2135,10 @@ const OptionDef options[] = {
{ "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
{ "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
{ "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
{ "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
{ "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
{ "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
{ "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
{ "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
{ "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec", "codec" },
{ "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",