/*****************************************************************************
* lavf.c: libavformat input
*****************************************************************************
- * Copyright (C) 2009-2010 x264 project
+ * Copyright (C) 2009-2016 x264 project
*
* Authors: Mike Gurlitz <mike.gurlitz@gmail.com>
* Steven Walters <kemuri9@gmail.com>
#define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "lavf", __VA_ARGS__ )
#undef DECLARE_ALIGNED
#include <libavformat/avformat.h>
+#include <libavutil/mem.h>
#include <libavutil/pixdesc.h>
+#include <libavutil/dict.h>
typedef struct
{
AVFormatContext *lavf;
+ AVFrame *frame;
int stream_id;
int next_frame;
int vfr_input;
cli_pic_t *first_pic;
} lavf_hnd_t;
-#define x264_free_packet( pkt )\
-{\
- av_free_packet( pkt );\
- av_init_packet( pkt );\
+/* handle the deprecated jpeg pixel formats */
+static int handle_jpeg( int csp, int *fullrange )
+{
+ switch( csp )
+ {
+ case AV_PIX_FMT_YUVJ420P: *fullrange = 1; return AV_PIX_FMT_YUV420P;
+ case AV_PIX_FMT_YUVJ422P: *fullrange = 1; return AV_PIX_FMT_YUV422P;
+ case AV_PIX_FMT_YUVJ444P: *fullrange = 1; return AV_PIX_FMT_YUV444P;
+ default: return csp;
+ }
}
static int read_frame_internal( cli_pic_t *p_pic, lavf_hnd_t *h, int i_frame, video_info_t *info )
{
XCHG( cli_image_t, p_pic->img, h->first_pic->img );
p_pic->pts = h->first_pic->pts;
- XCHG( void*, p_pic->opaque, h->first_pic->opaque );
}
- lavf_input.release_frame( h->first_pic, NULL );
- lavf_input.picture_clean( h->first_pic );
+ lavf_input.picture_clean( h->first_pic, h );
free( h->first_pic );
h->first_pic = NULL;
if( !i_frame )
}
AVCodecContext *c = h->lavf->streams[h->stream_id]->codec;
- AVPacket *pkt = p_pic->opaque;
- AVFrame frame;
- avcodec_get_frame_defaults( &frame );
+
+ AVPacket pkt;
+ av_init_packet( &pkt );
+ pkt.data = NULL;
+ pkt.size = 0;
while( i_frame >= h->next_frame )
{
int ret = 0;
do
{
- ret = av_read_frame( h->lavf, pkt );
+ ret = av_read_frame( h->lavf, &pkt );
- if( pkt->stream_index == h->stream_id )
+ if( ret < 0 )
{
- if( ret < 0 )
- pkt->size = 0;
+ av_init_packet( &pkt );
+ pkt.data = NULL;
+ pkt.size = 0;
+ }
- c->reordered_opaque = pkt->pts;
- if( avcodec_decode_video2( c, &frame, &finished, pkt ) < 0 )
+ if( ret < 0 || pkt.stream_index == h->stream_id )
+ {
+ if( avcodec_decode_video2( c, h->frame, &finished, &pkt ) < 0 )
x264_cli_log( "lavf", X264_LOG_WARNING, "video decoding failed on frame %d\n", h->next_frame );
}
- /* if the packet successfully decoded but the data from it is not desired, free it */
- else if( ret >= 0 )
- x264_free_packet( pkt );
+
+ if( ret >= 0 )
+ av_free_packet( &pkt );
} while( !finished && ret >= 0 );
if( !finished )
h->next_frame++;
}
- memcpy( p_pic->img.stride, frame.linesize, sizeof(p_pic->img.stride) );
- memcpy( p_pic->img.plane, frame.data, sizeof(p_pic->img.plane) );
- p_pic->img.height = c->height;
- p_pic->img.csp = c->pix_fmt | X264_CSP_OTHER;
+ memcpy( p_pic->img.stride, h->frame->linesize, sizeof(p_pic->img.stride) );
+ memcpy( p_pic->img.plane, h->frame->data, sizeof(p_pic->img.plane) );
+ int is_fullrange = 0;
p_pic->img.width = c->width;
+ p_pic->img.height = c->height;
+ p_pic->img.csp = handle_jpeg( c->pix_fmt, &is_fullrange ) | X264_CSP_OTHER;
if( info )
{
- info->interlaced = frame.interlaced_frame;
- info->tff = frame.top_field_first;
+ info->fullrange = is_fullrange;
+ info->interlaced = h->frame->interlaced_frame;
+ info->tff = h->frame->top_field_first;
}
if( h->vfr_input )
{
p_pic->pts = p_pic->duration = 0;
- if( c->has_b_frames && frame.reordered_opaque != AV_NOPTS_VALUE )
- p_pic->pts = frame.reordered_opaque;
- else if( pkt->dts != AV_NOPTS_VALUE )
- p_pic->pts = pkt->dts; // for AVI files
+ if( h->frame->pkt_pts != AV_NOPTS_VALUE )
+ p_pic->pts = h->frame->pkt_pts;
+ else if( h->frame->pkt_dts != AV_NOPTS_VALUE )
+ p_pic->pts = h->frame->pkt_dts; // for AVI files
else if( info )
{
h->vfr_input = info->vfr = 0;
if( !strcmp( psz_filename, "-" ) )
psz_filename = "pipe:";
- /* if resolution was passed in, parse it and colorspace into parameters. this allows raw video support */
- AVFormatParameters *param = NULL;
+ h->frame = av_frame_alloc();
+ if( !h->frame )
+ return -1;
+
+ /* if resolution was passed in, place it and colorspace into options. this allows raw video support */
+ AVDictionary *options = NULL;
if( opt->resolution )
{
- param = calloc( 1, sizeof(AVFormatParameters) );
- if( !param )
- return -1;
- sscanf( opt->resolution, "%dx%d", ¶m->width, ¶m->height );
- param->pix_fmt = opt->colorspace ? av_get_pix_fmt( opt->colorspace ) : PIX_FMT_YUV420P;
+ av_dict_set( &options, "video_size", opt->resolution, 0 );
+ const char *csp = opt->colorspace ? opt->colorspace : av_get_pix_fmt_name( AV_PIX_FMT_YUV420P );
+ av_dict_set( &options, "pixel_format", csp, 0 );
}
- FAIL_IF_ERROR( av_open_input_file( &h->lavf, psz_filename, NULL, 0, param ), "could not open input file\n" )
- if( param )
- free( param );
- FAIL_IF_ERROR( av_find_stream_info( h->lavf ) < 0, "could not find input stream info\n" )
+ /* specify the input format. this is helpful when lavf fails to guess */
+ AVInputFormat *format = NULL;
+ if( opt->format )
+ FAIL_IF_ERROR( !(format = av_find_input_format( opt->format )), "unknown file format: %s\n", opt->format );
+
+ FAIL_IF_ERROR( avformat_open_input( &h->lavf, psz_filename, format, &options ), "could not open input file\n" )
+ if( options )
+ av_dict_free( &options );
+ FAIL_IF_ERROR( avformat_find_stream_info( h->lavf, NULL ) < 0, "could not find input stream info\n" )
int i = 0;
- while( i < h->lavf->nb_streams && h->lavf->streams[i]->codec->codec_type != CODEC_TYPE_VIDEO )
+ while( i < h->lavf->nb_streams && h->lavf->streams[i]->codec->codec_type != AVMEDIA_TYPE_VIDEO )
i++;
FAIL_IF_ERROR( i == h->lavf->nb_streams, "could not find video stream\n" )
h->stream_id = i;
h->next_frame = 0;
AVCodecContext *c = h->lavf->streams[i]->codec;
- info->fps_num = h->lavf->streams[i]->r_frame_rate.num;
- info->fps_den = h->lavf->streams[i]->r_frame_rate.den;
+ info->fps_num = h->lavf->streams[i]->avg_frame_rate.num;
+ info->fps_den = h->lavf->streams[i]->avg_frame_rate.den;
info->timebase_num = h->lavf->streams[i]->time_base.num;
info->timebase_den = h->lavf->streams[i]->time_base.den;
/* lavf is thread unsafe as calling av_read_frame invalidates previously read AVPackets */
info->thread_safe = 0;
h->vfr_input = info->vfr;
- FAIL_IF_ERROR( avcodec_open( c, avcodec_find_decoder( c->codec_id ) ),
+ FAIL_IF_ERROR( avcodec_open2( c, avcodec_find_decoder( c->codec_id ), NULL ),
"could not find decoder for video stream\n" )
/* prefetch the first frame and set/confirm flags */
h->first_pic = malloc( sizeof(cli_pic_t) );
- FAIL_IF_ERROR( !h->first_pic || lavf_input.picture_alloc( h->first_pic, X264_CSP_OTHER, info->width, info->height ),
+ FAIL_IF_ERROR( !h->first_pic || lavf_input.picture_alloc( h->first_pic, h, X264_CSP_OTHER, info->width, info->height ),
"malloc failed\n" )
else if( read_frame_internal( h->first_pic, h, 0, info ) )
return -1;
info->num_frames = h->lavf->streams[i]->nb_frames;
info->sar_height = c->sample_aspect_ratio.den;
info->sar_width = c->sample_aspect_ratio.num;
+ info->fullrange |= c->color_range == AVCOL_RANGE_JPEG;
/* avisynth stores rgb data vertically flipped. */
if( !strcasecmp( get_filename_extension( psz_filename ), "avs" ) &&
- (c->pix_fmt == PIX_FMT_BGRA || c->pix_fmt == PIX_FMT_BGR24) )
+ (c->pix_fmt == AV_PIX_FMT_BGRA || c->pix_fmt == AV_PIX_FMT_BGR24) )
info->csp |= X264_CSP_VFLIP;
*p_handle = h;
return 0;
}
-static int picture_alloc( cli_pic_t *pic, int csp, int width, int height )
+static int picture_alloc( cli_pic_t *pic, hnd_t handle, int csp, int width, int height )
{
- if( x264_cli_pic_alloc( pic, csp, width, height ) )
+ if( x264_cli_pic_alloc( pic, X264_CSP_NONE, width, height ) )
return -1;
+ pic->img.csp = csp;
pic->img.planes = 4;
- pic->opaque = malloc( sizeof(AVPacket) );
- if( !pic->opaque )
- return -1;
- av_init_packet( pic->opaque );
return 0;
}
return read_frame_internal( pic, handle, i_frame, NULL );
}
-static int release_frame( cli_pic_t *pic, hnd_t handle )
-{
- x264_free_packet( pic->opaque );
- return 0;
-}
-
-static void picture_clean( cli_pic_t *pic )
+static void picture_clean( cli_pic_t *pic, hnd_t handle )
{
- free( pic->opaque );
memset( pic, 0, sizeof(cli_pic_t) );
}
{
lavf_hnd_t *h = handle;
avcodec_close( h->lavf->streams[h->stream_id]->codec );
- av_close_input_file( h->lavf );
+ avformat_close_input( &h->lavf );
+ av_frame_free( &h->frame );
free( h );
return 0;
}
-const cli_input_t lavf_input = { open_file, picture_alloc, read_frame, release_frame, picture_clean, close_file };
+const cli_input_t lavf_input = { open_file, picture_alloc, read_frame, NULL, picture_clean, close_file };