/*
* Video Acceleration API (video transcoding) transcode sample
*
- * This file is part of FFmpeg.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
*
- * FFmpeg 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * FFmpeg 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
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
*/
/**
return ret;
}
-static int encode_write(AVFrame *frame)
+static int encode_write(AVPacket *enc_pkt, AVFrame *frame)
{
int ret = 0;
- AVPacket enc_pkt;
- av_init_packet(&enc_pkt);
- enc_pkt.data = NULL;
- enc_pkt.size = 0;
+ av_packet_unref(enc_pkt);
if ((ret = avcodec_send_frame(encoder_ctx, frame)) < 0) {
fprintf(stderr, "Error during encoding. Error code: %s\n", av_err2str(ret));
goto end;
}
while (1) {
- ret = avcodec_receive_packet(encoder_ctx, &enc_pkt);
+ ret = avcodec_receive_packet(encoder_ctx, enc_pkt);
if (ret)
break;
- enc_pkt.stream_index = 0;
- av_packet_rescale_ts(&enc_pkt, ifmt_ctx->streams[video_stream]->time_base,
+ enc_pkt->stream_index = 0;
+ av_packet_rescale_ts(enc_pkt, ifmt_ctx->streams[video_stream]->time_base,
ofmt_ctx->streams[0]->time_base);
- ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
+ ret = av_interleaved_write_frame(ofmt_ctx, enc_pkt);
if (ret < 0) {
fprintf(stderr, "Error during writing data to output file. "
"Error code: %s\n", av_err2str(ret));
return ret;
}
-static int dec_enc(AVPacket *pkt, AVCodec *enc_codec)
+static int dec_enc(AVPacket *pkt, const AVCodec *enc_codec)
{
AVFrame *frame;
int ret = 0;
}
/* set AVCodecContext Parameters for encoder, here we keep them stay
* the same as decoder.
- * xxx: now the the sample can't handle resolution change case.
+ * xxx: now the sample can't handle resolution change case.
*/
encoder_ctx->time_base = av_inv_q(decoder_ctx->framerate);
encoder_ctx->pix_fmt = AV_PIX_FMT_VAAPI;
initialized = 1;
}
- if ((ret = encode_write(frame)) < 0)
+ if ((ret = encode_write(pkt, frame)) < 0)
fprintf(stderr, "Error during encoding and writing.\n");
fail:
int main(int argc, char **argv)
{
+ const AVCodec *enc_codec;
int ret = 0;
- AVPacket dec_pkt;
- AVCodec *enc_codec;
+ AVPacket *dec_pkt;
if (argc != 4) {
fprintf(stderr, "Usage: %s <input file> <encode codec> <output file>\n"
return -1;
}
+ dec_pkt = av_packet_alloc();
+ if (!dec_pkt) {
+ fprintf(stderr, "Failed to allocate decode packet\n");
+ goto end;
+ }
+
if ((ret = open_input_file(argv[1])) < 0)
goto end;
/* read all packets and only transcoding video */
while (ret >= 0) {
- if ((ret = av_read_frame(ifmt_ctx, &dec_pkt)) < 0)
+ if ((ret = av_read_frame(ifmt_ctx, dec_pkt)) < 0)
break;
- if (video_stream == dec_pkt.stream_index)
- ret = dec_enc(&dec_pkt, enc_codec);
+ if (video_stream == dec_pkt->stream_index)
+ ret = dec_enc(dec_pkt, enc_codec);
- av_packet_unref(&dec_pkt);
+ av_packet_unref(dec_pkt);
}
/* flush decoder */
- dec_pkt.data = NULL;
- dec_pkt.size = 0;
- ret = dec_enc(&dec_pkt, enc_codec);
- av_packet_unref(&dec_pkt);
+ av_packet_unref(dec_pkt);
+ ret = dec_enc(dec_pkt, enc_codec);
/* flush encoder */
- ret = encode_write(NULL);
+ ret = encode_write(dec_pkt, NULL);
/* write the trailer for output stream */
av_write_trailer(ofmt_ctx);
avcodec_free_context(&decoder_ctx);
avcodec_free_context(&encoder_ctx);
av_buffer_unref(&hw_device_ctx);
+ av_packet_free(&dec_pkt);
return ret;
}
projects / ffmpeg / blobdiff