* Copyright (c) 2010 Stefano Sabatini
* Copyright (c) 2008 Victor Paesa
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* @todo support more than one output stream
*/
-/* #define DEBUG */
-
#include <float.h>
+#include <stdint.h>
+
+#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavformat/avformat.h"
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
-typedef struct {
+typedef struct MovieContext {
const AVClass *class;
int64_t seek_point; ///< seekpoint in microseconds
double seek_point_d;
AVFrame *frame; ///< video frame to store the decoded images in
int w, h;
- AVFilterBufferRef *picref;
} MovieContext;
#define OFFSET(x) offsetof(MovieContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
static const AVOption movie_options[]= {
-{"format_name", "set format name", OFFSET(format_name), FF_OPT_TYPE_STRING, 0, CHAR_MIN, CHAR_MAX },
-{"f", "set format name", OFFSET(format_name), FF_OPT_TYPE_STRING, 0, CHAR_MIN, CHAR_MAX },
-{"stream_index", "set stream index", OFFSET(stream_index), FF_OPT_TYPE_INT, -1, -1, INT_MAX },
-{"si", "set stream index", OFFSET(stream_index), FF_OPT_TYPE_INT, -1, -1, INT_MAX },
-{"seek_point", "set seekpoint (seconds)", OFFSET(seek_point_d), FF_OPT_TYPE_DOUBLE, 0, 0, (INT64_MAX-1) / 1000000 },
-{"sp", "set seekpoint (seconds)", OFFSET(seek_point_d), FF_OPT_TYPE_DOUBLE, 0, 0, (INT64_MAX-1) / 1000000 },
-{NULL},
+ { "filename", NULL, OFFSET(file_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "format_name", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "f", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "stream_index", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "si", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
+ { "seek_point", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
+ { "sp", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, { .dbl = 0 }, 0, (INT64_MAX-1) / 1000000, FLAGS },
+ { NULL },
};
static const char *movie_get_name(void *ctx)
movie_options
};
-static int movie_init(AVFilterContext *ctx)
+static av_cold int movie_init(AVFilterContext *ctx)
{
MovieContext *movie = ctx->priv;
AVInputFormat *iformat = NULL;
iformat = movie->format_name ? av_find_input_format(movie->format_name) : NULL;
movie->format_ctx = NULL;
- if ((ret = av_open_input_file(&movie->format_ctx, movie->file_name, iformat, 0, NULL)) < 0) {
+ if ((ret = avformat_open_input(&movie->format_ctx, movie->file_name, iformat, NULL)) < 0) {
av_log(ctx, AV_LOG_ERROR,
- "Failed to av_open_input_file '%s'\n", movie->file_name);
+ "Failed to avformat_open_input '%s'\n", movie->file_name);
return ret;
}
- if ((ret = av_find_stream_info(movie->format_ctx)) < 0)
+ if ((ret = avformat_find_stream_info(movie->format_ctx, NULL)) < 0)
av_log(ctx, AV_LOG_WARNING, "Failed to find stream info\n");
// if seeking requested, we execute it
return AVERROR(EINVAL);
}
- if ((ret = avcodec_open(movie->codec_ctx, codec)) < 0) {
+ movie->codec_ctx->refcounted_frames = 1;
+
+ if ((ret = avcodec_open2(movie->codec_ctx, codec, NULL)) < 0) {
av_log(ctx, AV_LOG_ERROR, "Failed to open codec\n");
return ret;
}
- if (!(movie->frame = avcodec_alloc_frame()) ) {
- av_log(ctx, AV_LOG_ERROR, "Failed to alloc frame\n");
- return AVERROR(ENOMEM);
- }
-
movie->w = movie->codec_ctx->width;
movie->h = movie->codec_ctx->height;
- av_log(ctx, AV_LOG_INFO, "seek_point:%lld format_name:%s file_name:%s stream_index:%d\n",
+ av_log(ctx, AV_LOG_VERBOSE, "seek_point:%"PRIi64" format_name:%s file_name:%s stream_index:%d\n",
movie->seek_point, movie->format_name, movie->file_name,
movie->stream_index);
return 0;
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx)
{
MovieContext *movie = ctx->priv;
- int ret;
- movie->class = &movie_class;
- av_opt_set_defaults2(movie, 0, 0);
-
- if (args)
- movie->file_name = av_get_token(&args, ":");
- if (!movie->file_name || !*movie->file_name) {
- av_log(ctx, AV_LOG_ERROR, "No filename provided!\n");
- return AVERROR(EINVAL);
- }
-
- if (*args++ == ':' && (ret = av_set_options_string(movie, args, "=", ":")) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
- return ret;
- }
movie->seek_point = movie->seek_point_d * 1000000 + 0.5;
{
MovieContext *movie = ctx->priv;
- av_free(movie->file_name);
- av_free(movie->format_name);
if (movie->codec_ctx)
avcodec_close(movie->codec_ctx);
if (movie->format_ctx)
- av_close_input_file(movie->format_ctx);
- avfilter_unref_buffer(movie->picref);
- av_freep(&movie->frame);
+ avformat_close_input(&movie->format_ctx);
+ av_frame_free(&movie->frame);
}
static int query_formats(AVFilterContext *ctx)
{
MovieContext *movie = ctx->priv;
- enum PixelFormat pix_fmts[] = { movie->codec_ctx->pix_fmt, PIX_FMT_NONE };
+ enum AVPixelFormat pix_fmts[] = { movie->codec_ctx->pix_fmt, AV_PIX_FMT_NONE };
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
MovieContext *movie = outlink->src->priv;
AVPacket pkt;
int ret, frame_decoded;
- AVStream *st = movie->format_ctx->streams[movie->stream_index];
if (movie->is_done == 1)
return 0;
+ movie->frame = av_frame_alloc();
+ if (!movie->frame)
+ return AVERROR(ENOMEM);
+
while ((ret = av_read_frame(movie->format_ctx, &pkt)) >= 0) {
// Is this a packet from the video stream?
if (pkt.stream_index == movie->stream_index) {
- movie->codec_ctx->reordered_opaque = pkt.pos;
avcodec_decode_video2(movie->codec_ctx, movie->frame, &frame_decoded, &pkt);
if (frame_decoded) {
- /* FIXME: avoid the memcpy */
- movie->picref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE | AV_PERM_PRESERVE |
- AV_PERM_REUSE2, outlink->w, outlink->h);
- av_image_copy(movie->picref->data, movie->picref->linesize,
- movie->frame->data, movie->frame->linesize,
- movie->picref->format, outlink->w, outlink->h);
-
- /* FIXME: use a PTS correction mechanism as that in
- * ffplay.c when some API will be available for that */
- /* use pkt_dts if pkt_pts is not available */
- movie->picref->pts = movie->frame->pkt_pts == AV_NOPTS_VALUE ?
- movie->frame->pkt_dts : movie->frame->pkt_pts;
-
- movie->picref->pos = movie->frame->reordered_opaque;
- movie->picref->video->pixel_aspect = st->sample_aspect_ratio.num ?
- st->sample_aspect_ratio : movie->codec_ctx->sample_aspect_ratio;
- movie->picref->video->interlaced = movie->frame->interlaced_frame;
- movie->picref->video->top_field_first = movie->frame->top_field_first;
+ if (movie->frame->pkt_pts != AV_NOPTS_VALUE)
+ movie->frame->pts = movie->frame->pkt_pts;
av_dlog(outlink->src,
- "movie_get_frame(): file:'%s' pts:%"PRId64" time:%lf pos:%"PRId64" aspect:%d/%d\n",
- movie->file_name, movie->picref->pts,
- (double)movie->picref->pts * av_q2d(st->time_base),
- movie->picref->pos,
- movie->picref->video->pixel_aspect.num, movie->picref->video->pixel_aspect.den);
+ "movie_get_frame(): file:'%s' pts:%"PRId64" time:%f aspect:%d/%d\n",
+ movie->file_name, movie->frame->pts,
+ (double)movie->frame->pts *
+ av_q2d(movie->format_ctx->streams[movie->stream_index]->time_base),
+ movie->frame->sample_aspect_ratio.num,
+ movie->frame->sample_aspect_ratio.den);
// We got it. Free the packet since we are returning
av_free_packet(&pkt);
static int request_frame(AVFilterLink *outlink)
{
- AVFilterBufferRef *outpicref;
MovieContext *movie = outlink->src->priv;
int ret;
if ((ret = movie_get_frame(outlink)) < 0)
return ret;
- outpicref = avfilter_ref_buffer(movie->picref, ~0);
- avfilter_start_frame(outlink, outpicref);
- avfilter_draw_slice(outlink, 0, outlink->h, 1);
- avfilter_end_frame(outlink);
+ ret = ff_filter_frame(outlink, movie->frame);
+ movie->frame = NULL;
- return 0;
+ return ret;
}
-AVFilter avfilter_vsrc_movie = {
+static const AVFilterPad avfilter_vsrc_movie_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = request_frame,
+ .config_props = config_output_props,
+ },
+ { NULL }
+};
+
+AVFilter ff_vsrc_movie = {
.name = "movie",
.description = NULL_IF_CONFIG_SMALL("Read from a movie source."),
.priv_size = sizeof(MovieContext),
+ .priv_class = &movie_class,
.init = init,
.uninit = uninit,
.query_formats = query_formats,
- .inputs = (AVFilterPad[]) {{ .name = NULL }},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .request_frame = request_frame,
- .config_props = config_output_props, },
- { .name = NULL}},
+ .inputs = NULL,
+ .outputs = avfilter_vsrc_movie_outputs,
};