#include "avcodec.h"
#include "dsputil.h"
-#include "mpegvideo.h"
#include "integer.h"
#include "opt.h"
#include "crc.h"
+#include "imgconvert.h"
#include <stdarg.h>
#include <limits.h>
#include <float.h>
-#ifdef __MINGW32__
+#if !defined(HAVE_MKSTEMP)
#include <fcntl.h>
#endif
*size= FFMAX(17*min_size/16 + 32, min_size);
- return av_realloc(ptr, *size);
+ ptr= av_realloc(ptr, *size);
+ if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
+ *size= 0;
+
+ return ptr;
}
static unsigned int last_static = 0;
/* encoder management */
AVCodec *first_avcodec = NULL;
+AVCodec *av_codec_next(AVCodec *c){
+ if(c) return c->next;
+ else return first_avcodec;
+}
+
void register_avcodec(AVCodec *format)
{
AVCodec **p;
uint8_t *base[4];
uint8_t *data[4];
int linesize[4];
+ int width, height;
+ enum PixelFormat pix_fmt;
}InternalBuffer;
#define INTERNAL_BUFFER_SIZE 32
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUVJ444P:
+ case PIX_FMT_YUVA420P:
w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
h_align= 16;
break;
picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
(*picture_number)++;
+ if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
+ for(i=0; i<4; i++){
+ av_freep(&buf->base[i]);
+ buf->data[i]= NULL;
+ }
+ }
+
if(buf->base[0]){
pic->age= *picture_number - buf->last_pic_num;
buf->last_pic_num= *picture_number;
}else{
int h_chroma_shift, v_chroma_shift;
- int pixel_size, size[3];
+ int size[4] = {0};
+ int tmpsize;
AVPicture picture;
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
}
avcodec_align_dimensions(s, &w, &h);
- avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
- pixel_size= picture.linesize[0]*8 / w;
-//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
- assert(pixel_size>=1);
- //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
- if(pixel_size == 3*8)
- w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
- else
- w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
- size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
- size[0] = picture.linesize[0] * h;
- size[1] -= size[0];
- if(picture.data[2])
- size[1]= size[2]= size[1]/2;
- else
- size[2]= 0;
+ ff_fill_linesize(&picture, s->pix_fmt, w);
+
+ for (i=0; i<4; i++)
+ picture.linesize[i] = ALIGN(picture.linesize[i], STRIDE_ALIGN);
+
+ tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
+
+ for (i=0; i<3 && picture.data[i+1]; i++)
+ size[i] = picture.data[i+1] - picture.data[i];
+ size[i] = tmpsize - (picture.data[i] - picture.data[0]);
buf->last_pic_num= -256*256*256*64;
memset(buf->base, 0, sizeof(buf->base));
memset(buf->data, 0, sizeof(buf->data));
- for(i=0; i<3 && size[i]; i++){
+ for(i=0; i<4 && size[i]; i++){
const int h_shift= i==0 ? 0 : h_chroma_shift;
const int v_shift= i==0 ? 0 : v_chroma_shift;
else
buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
}
+ buf->width = s->width;
+ buf->height = s->height;
+ buf->pix_fmt= s->pix_fmt;
pic->age= 256*256*256*64;
}
pic->type= FF_BUFFER_TYPE_INTERNAL;
FFSWAP(InternalBuffer, *buf, *last);
- for(i=0; i<3; i++){
+ for(i=0; i<4; i++){
pic->data[i]=NULL;
// pic->base[i]=NULL;
}
}
#define OFFSET(x) offsetof(AVCodecContext,x)
-#define DEFAULT 0 //should be NAN but it doesnt work as its not a constant in glibc as required by ANSI/ISO C
+#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C
//these names are too long to be readable
#define V AV_OPT_FLAG_VIDEO_PARAM
#define A AV_OPT_FLAG_AUDIO_PARAM
{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|E},
{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, 64*1000, INT_MIN, INT_MAX, A|E},
{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE*20, 1, INT_MAX, V|E},
-{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags"},
+{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, 0, UINT_MAX, V|A|E|D, "flags"},
{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
{"local_header", "place global headers at every keyframe instead of in extradata", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_LOCAL_HEADER, INT_MIN, INT_MAX, V|E, "flags2"},
{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
{"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
+{"me", "set motion estimation method (deprecated, use me_method instead)", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
+#endif
+{"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, ME_ZERO, INT_MIN, INT_MAX, V|E, "me_method" },
+{"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
+{"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
+{"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, ME_LOG, INT_MIN, INT_MAX, V|E, "me_method" },
+{"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, ME_PHODS, INT_MIN, INT_MAX, V|E, "me_method" },
+{"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },
+{"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, ME_HEX, INT_MIN, INT_MAX, V|E, "me_method" },
+{"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, ME_UMH, INT_MIN, INT_MAX, V|E, "me_method" },
+{"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, ME_ITER, INT_MIN, INT_MAX, V|E, "me_method" },
{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
{"inofficial", "allow inofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
{"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
-{"b_qoffset", "qp offset between p and b frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, FLT_MIN, FLT_MAX, V|E},
+{"b_qoffset", "qp offset between P and B frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, FLT_MIN, FLT_MAX, V|E},
{"er", "set error resilience strategy", OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, A|V|D, "er"},
{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
+{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|E},
{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, FLT_MAX, V|E},
-{"i_qfactor", "qp factor between p and i frames", OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, -0.8, -FLT_MAX, FLT_MAX, V|E},
-{"i_qoffset", "qp offset between p and i frames", OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, 0.0, -FLT_MAX, FLT_MAX, V|E},
+{"i_qfactor", "qp factor between P and I frames", OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, -0.8, -FLT_MAX, FLT_MAX, V|E},
+{"i_qoffset", "qp offset between P and I frames", OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, 0.0, -FLT_MAX, FLT_MAX, V|E},
{"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
{"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
+{"faani", "floating point AAN IDCT", 0, FF_OPT_TYPE_CONST, FF_IDCT_FAAN, INT_MIN, INT_MAX, V|D|E, "idct"},
{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
{"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
{"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
+{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR, 0, UINT_MAX, V|A|E|D, "flags2"},
{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
{"timecode_frame_start", "GOP timecode frame start number, in non drop frame format", OFFSET(timecode_frame_start), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|E},
{"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"},
{"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NON_LINEAR_QUANT, INT_MIN, INT_MAX, V|E, "flags2"},
+{"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|D},
+{"drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, 1.0, 0.0, 1.0, A|D},
+{"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BIT_RESERVOIR, INT_MIN, INT_MAX, A|E, "flags2"},
{NULL},
};
#undef D
#undef DEFAULT
-static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
+static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
int flags=0;
s->av_class= &av_codec_context_class;
+ s->codec_type = codec_type;
if(codec_type == CODEC_TYPE_AUDIO)
flags= AV_OPT_FLAG_AUDIO_PARAM;
else if(codec_type == CODEC_TYPE_VIDEO)
return pic;
}
-int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
+int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
int ret= -1;
goto end;
}
- if(avctx->codec)
+ if(avctx->codec || !codec)
goto end;
if (codec->priv_data_size > 0) {
avctx->priv_data = av_mallocz(codec->priv_data_size);
- if (!avctx->priv_data)
+ if (!avctx->priv_data) {
+ ret = AVERROR(ENOMEM);
goto end;
+ }
} else {
avctx->priv_data = NULL;
}
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
av_freep(&avctx->priv_data);
+ ret = AVERROR(EINVAL);
goto end;
}
return ret;
}
-int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const short *samples)
{
if(buf_size < FF_MIN_BUFFER_SIZE && 0){
return 0;
}
-int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
+int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict)
{
if(buf_size < FF_MIN_BUFFER_SIZE){
return ret;
}
-int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
+int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
int ret;
return ret;
}
-int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
+int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
int ret;
return -1;
}
if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
- *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t) ||
- *frame_size_ptr < buf_size){
+ *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t)){
av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr);
return -1;
}
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
- uint8_t *buf, int buf_size){
+ const uint8_t *buf, int buf_size){
*frame_size_ptr= AVCODEC_MAX_AUDIO_FRAME_SIZE;
return avcodec_decode_audio2(avctx, samples, frame_size_ptr, buf, buf_size);
}
*got_sub_ptr = 0;
ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
- (uint8_t *)buf, buf_size);
+ buf, buf_size);
if (*got_sub_ptr)
avctx->frame_number++;
return ret;
return -1;
}
+ if (ENABLE_THREADS && avctx->thread_opaque)
+ avcodec_thread_free(avctx);
if (avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
char buf1[32];
char channels_str[100];
int bitrate;
+ AVRational display_aspect_ratio;
if (encode)
p = avcodec_find_encoder(enc->codec_id);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %dx%d",
enc->width, enc->height);
- if(av_log_level >= AV_LOG_DEBUG){
+ if (enc->sample_aspect_ratio.num) {
+ av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
+ enc->width*enc->sample_aspect_ratio.num,
+ enc->height*enc->sample_aspect_ratio.den,
+ 1024*1024);
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " [PAR %d:%d DAR %d:%d]",
+ enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
+ display_aspect_ratio.num, display_aspect_ratio.den);
+ }
+ if(av_log_get_level() >= AV_LOG_DEBUG){
int g= ff_gcd(enc->time_base.num, enc->time_base.den);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d/%d",
break;
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
+ case CODEC_ID_PCM_S16LE_PLANAR:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE:
bitrate = enc->sample_rate * enc->channels * 16;
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
bitrate = enc->bit_rate;
break;
+ case CODEC_TYPE_ATTACHMENT:
+ snprintf(buf, buf_size, "Attachment: %s", codec_name);
+ bitrate = enc->bit_rate;
+ break;
default:
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
return;
return LIBAVCODEC_BUILD;
}
-static void init_crcs(void){
-#if LIBAVUTIL_VERSION_INT < (50<<16)
- av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
- av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257);
- av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257);
-#endif
- av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
- av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257);
- av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257);
-}
-
void avcodec_init(void)
{
- static int inited = 0;
+ static int initialized = 0;
- if (inited != 0)
+ if (initialized != 0)
return;
- inited = 1;
+ initialized = 1;
dsputil_static_init();
- init_crcs();
}
void avcodec_flush_buffers(AVCodecContext *avctx)
char av_get_pict_type_char(int pict_type){
switch(pict_type){
- case I_TYPE: return 'I';
- case P_TYPE: return 'P';
- case B_TYPE: return 'B';
- case S_TYPE: return 'S';
- case SI_TYPE:return 'i';
- case SP_TYPE:return 'p';
- default: return '?';
+ case FF_I_TYPE: return 'I';
+ case FF_P_TYPE: return 'P';
+ case FF_B_TYPE: return 'B';
+ case FF_S_TYPE: return 'S';
+ case FF_SI_TYPE:return 'i';
+ case FF_SP_TYPE:return 'p';
+ case FF_BI_TYPE:return 'b';
+ default: return '?';
}
}
return 8;
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_S16LE:
+ case CODEC_ID_PCM_S16LE_PLANAR:
case CODEC_ID_PCM_U16BE:
case CODEC_ID_PCM_U16LE:
return 16;
}
}
+int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) {
+ switch (sample_fmt) {
+ case SAMPLE_FMT_U8:
+ return 8;
+ case SAMPLE_FMT_S16:
+ return 16;
+ case SAMPLE_FMT_S24:
+ return 24;
+ case SAMPLE_FMT_S32:
+ case SAMPLE_FMT_FLT:
+ return 32;
+ default:
+ return 0;
+ }
+}
+
#if !defined(HAVE_THREADS)
int avcodec_thread_init(AVCodecContext *s, int thread_count){
return -1;
* and opened file name in **filename. */
int av_tempfile(char *prefix, char **filename) {
int fd=-1;
-#ifdef __MINGW32__
+#if !defined(HAVE_MKSTEMP)
*filename = tempnam(".", prefix);
#else
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
return -1;
}
-#ifdef __MINGW32__
- fd = open(*filename, _O_RDWR | _O_BINARY | _O_CREAT, 0444);
+#if !defined(HAVE_MKSTEMP)
+ fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
#else
snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
fd = mkstemp(*filename);
}
return fd; /* success */
}
+
+typedef struct {
+ const char *abbr;
+ int width, height;
+} VideoFrameSizeAbbr;
+
+typedef struct {
+ const char *abbr;
+ int rate_num, rate_den;
+} VideoFrameRateAbbr;
+
+static VideoFrameSizeAbbr video_frame_size_abbrs[] = {
+ { "ntsc", 720, 480 },
+ { "pal", 720, 576 },
+ { "qntsc", 352, 240 }, /* VCD compliant NTSC */
+ { "qpal", 352, 288 }, /* VCD compliant PAL */
+ { "sntsc", 640, 480 }, /* square pixel NTSC */
+ { "spal", 768, 576 }, /* square pixel PAL */
+ { "film", 352, 240 },
+ { "ntsc-film", 352, 240 },
+ { "sqcif", 128, 96 },
+ { "qcif", 176, 144 },
+ { "cif", 352, 288 },
+ { "4cif", 704, 576 },
+ { "qqvga", 160, 120 },
+ { "qvga", 320, 240 },
+ { "vga", 640, 480 },
+ { "svga", 800, 600 },
+ { "xga", 1024, 768 },
+ { "uxga", 1600,1200 },
+ { "qxga", 2048,1536 },
+ { "sxga", 1280,1024 },
+ { "qsxga", 2560,2048 },
+ { "hsxga", 5120,4096 },
+ { "wvga", 852, 480 },
+ { "wxga", 1366, 768 },
+ { "wsxga", 1600,1024 },
+ { "wuxga", 1920,1200 },
+ { "woxga", 2560,1600 },
+ { "wqsxga", 3200,2048 },
+ { "wquxga", 3840,2400 },
+ { "whsxga", 6400,4096 },
+ { "whuxga", 7680,4800 },
+ { "cga", 320, 200 },
+ { "ega", 640, 350 },
+ { "hd480", 852, 480 },
+ { "hd720", 1280, 720 },
+ { "hd1080", 1920,1080 },
+};
+
+static VideoFrameRateAbbr video_frame_rate_abbrs[]= {
+ { "ntsc", 30000, 1001 },
+ { "pal", 25, 1 },
+ { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
+ { "qpal", 25, 1 }, /* VCD compliant PAL */
+ { "sntsc", 30000, 1001 }, /* square pixel NTSC */
+ { "spal", 25, 1 }, /* square pixel PAL */
+ { "film", 24, 1 },
+ { "ntsc-film", 24000, 1001 },
+};
+
+int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
+{
+ int i;
+ int n = sizeof(video_frame_size_abbrs) / sizeof(VideoFrameSizeAbbr);
+ const char *p;
+ int frame_width = 0, frame_height = 0;
+
+ for(i=0;i<n;i++) {
+ if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
+ frame_width = video_frame_size_abbrs[i].width;
+ frame_height = video_frame_size_abbrs[i].height;
+ break;
+ }
+ }
+ if (i == n) {
+ p = str;
+ frame_width = strtol(p, (char **)&p, 10);
+ if (*p)
+ p++;
+ frame_height = strtol(p, (char **)&p, 10);
+ }
+ if (frame_width <= 0 || frame_height <= 0)
+ return -1;
+ *width_ptr = frame_width;
+ *height_ptr = frame_height;
+ return 0;
+}
+
+int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
+{
+ int i;
+ int n = sizeof(video_frame_rate_abbrs) / sizeof(VideoFrameRateAbbr);
+ char* cp;
+
+ /* First, we check our abbreviation table */
+ for (i = 0; i < n; ++i)
+ if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
+ frame_rate->num = video_frame_rate_abbrs[i].rate_num;
+ frame_rate->den = video_frame_rate_abbrs[i].rate_den;
+ return 0;
+ }
+
+ /* Then, we try to parse it as fraction */
+ cp = strchr(arg, '/');
+ if (!cp)
+ cp = strchr(arg, ':');
+ if (cp) {
+ char* cpp;
+ frame_rate->num = strtol(arg, &cpp, 10);
+ if (cpp != arg || cpp == cp)
+ frame_rate->den = strtol(cp+1, &cpp, 10);
+ else
+ frame_rate->num = 0;
+ }
+ else {
+ /* Finally we give up and parse it as double */
+ AVRational time_base = av_d2q(strtod(arg, 0), DEFAULT_FRAME_RATE_BASE);
+ frame_rate->den = time_base.den;
+ frame_rate->num = time_base.num;
+ }
+ if (!frame_rate->num || !frame_rate->den)
+ return -1;
+ else
+ return 0;
+}
projects / ffmpeg / blobdiff